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Department Bulletin Volume 597-672 by United States Dept Agriculture - Paperback
134.40 درهم

Department Bulletin Volume 597-672 by United States Dept Agriculture - Paperback

كن أول من يقيِّم هذا المنتج 

134.40 درهم 

  - ستوفر -134.40 درهم
الأسعار تشمل ضريبة القيمة المضافة  التفاصيل
رقم ال ISBN
9781155032443
الفئات
تاريخ
الكاتب
United States Dept Agriculture
الناشر
Rarebooksclub.com
الوصف:

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...mice Mu s musculua) were found in two stomachs, a jumping mouse (Zapus hudsonius) in one, and a ground squirrel (Citellus tridecinvUneatus) in another. Short-tailed ...

تشحن من الولايات المتحدة
اشحن الى دبي (تغيير المدينة)
التوصيل خلال الإثنين ٣ سبتمبر - الأربعاء ٥ سبتمبر الي دبي

حالة السلعة:
جديدة
البائع:
InternationalBookStore (87% تقييم ايجابي)

معلومات المنتج

  •  

    المواصفات

    رقم ال ISBN
    9781155032443
    الفئات
    تاريخ
    اللغات
    الانجليزية
    الرقم المميز للسلعة
    2724365016787
    المؤلفين
    الكاتب
    United States Dept Agriculture
    رقم ال ISBN
    9781155032443
    الفئات
    تاريخ
    اللغات
    الانجليزية
    الرقم المميز للسلعة
    2724365016787
    المؤلفين
    الكاتب
    United States Dept Agriculture
    المؤلفين
    الناشر
    Rarebooksclub.com
    معلومات تقنية
    غلاف الكتاب
    غلاف عادي
    اللغات والبلدان
    لغة الكتاب
    الانجليزية
    إقرأ المزيد
  •  

    الوصف:

    This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...mice Mu s musculua) were found in two stomachs, a jumping mouse (Zapus

    This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...mice Mu s musculua) were found in two stomachs, a jumping mouse (Zapus hudsonius) in one, and a ground squirrel (Citellus tridecinvUneatus) in another. Short-tailed shrews (Blarina brevicauda) (in two stomachs) and bats (in two stomachs) also were eaten by nestling crows. A consideration of the economic aspects of the carnivorous habits of the crow in relation to mammals is presented on pages 38-40. CARRION. Carrion formed 3.95 per cent of the food of the nestling crows examined, as compared with 2.13 per cent for the adults during approximately the same period (see Table II). As it is frequently impossible to determine with absolute certainty the character of animal food, the proportion may be subject to revision. Remains of rabbits, chickens, and parts of larger carcasses have been included under this head. Vegetable Food, Cobn. Of the vegetable food of the nestling crow, which formed 16.53 per cent of the diet, corn is the most important item. Some farmers have considered that the depredations on this grain in sprouting time are due largely to the nestlings' desire for the soft, germinating kernel, but stomach analysis has disproved this. Corn was found to constitute 11.91 per cent of the young crow's food, a third of the proportion taken by the adult during approximately the same time. The frequency with which these young birds eat this grain, however, gives the impression that their capabilities in this direction are more nearly akin to those of their parents. Of the 778 nestling crows examined, 354 (45.5 per cent) had fed on corn, as compared with 824 (61.49 per cent) of the 1,340 adults. The limited quantities of corn consumed by the nestlings can better be appreciated when it is considered only 68 of the 778 had subsisted on it to.

    خصائص المنتج:
    • الفئات: تاريخ
    • غلاف الكتاب: غلاف عادي
    • لغة الكتاب: الانجليزية
    • الكاتب: United States Dept Agriculture
    • الناشر: Rarebooksclub.com
    • رقم ال ISBN: 9781155032443
    • عدد الصفحات: 186
    • لأبعاد (الارتفاع*العرض*العمق): 9.69 x 7.44 x 0.4 inches
 

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