חיפוש חיפוש תמונות מפות YouTube חדשות Gmail Drive יומן עוד »
כניסה
ספרים ספרים 1 - 6 מתוך 6 עבור ... examined about 25 skulls which belong to Symbos cavifrons. In all of these the....
" ... examined about 25 skulls which belong to Symbos cavifrons. In all of these the exostoses of the horn-core meet across the forehead. If the Grand Rapids skull is the female of S. cavifrons, it is very remarkable that only one female should be discovered... "
The Transactions of the Entomological Society of London - עמוד 210
1900
תצוגה מלאה - מידע על ספר זה

Manual of Conchology, Structural and Systemic; with Illustrations of the ...

George Washington Tryon, Henry Augustus Pilsbry, B. Sharp - 1903
...SOWERBY, C. Icon. xx, pl. 12, f . 105. Specimens which have lost the apex, have four or five whorls fewer. There is a good deal of variation in the size of the shell, but the lamellar ribs and attenuate spire are characteristic. Sometimes some spiral threads...
תצוגה מלאה - מידע על ספר זה

Manual of Conchology, Structural and Systematic: With Illustrations ..., כרך 15

George Washington Tryon, Henry Augustus Pilsbry, Alpheus Hyatt, Charles Montague Cooke - 1903
...SOWERBY, C. Icon, xx, pi. 12, f. 105. Specimens which have lost the apex, have four or five whorls fewer. There is a good deal of variation in the size of the shell, but the lamellar ribs and attenuate spire are characteristic. Sometimes some spiral threads...
תצוגה מלאה - מידע על ספר זה

Bulletin - United States National Museum, כרך 93

1916
...coarse pores, and characters of the opercular valves seem to be the same as in Antillean examples. There is a good deal of variation in the size of the pores, even between individuals of the same group and having the opercular valves practically identical....
תצוגה מלאה - מידע על ספר זה

Proceedings of the United States National Museum

United States National Museum - 1915 - 58 דפים
...remarkable that only one female should be discovered among 25 specimens. Among the skulls of S. cavifrons there is a good deal of variation in the size of the cores. It seems very probable that those specimens which have, the more feebly developed cores are...
תצוגה מלאה - מידע על ספר זה

Transactions of the Royal Entomological Society of London, כרך 47;כרך 1899

1900
...Cram., Pap. Exot., ii, pi. cxcii, fig. C (1779) ; Don., Ins. China, pi. xliii, fig. 2 (1798). JSpisteme lectrix, Kirby, Cat. Lep. Het., i, p. 26 (1892). Eusemia...basal end of the cell are confluent. Habitat. CHINA. Heterocera from China, Japan, and Corea. 211 678. Eusemia irenea. Eusemia irenea, Boisd., Revue et...
תצוגה מלאה - מידע על ספר זה

Contributions from the Zoological Laboratory, כרך 20

1918
...disagreement would have been found. 11. THE PROBLEM OF SIZE DIFFERENCES Although under normal conditions, there is a good deal of variation in the size of the olfactory bulb of the albino rat, we have found that it is possible, experimentally, to increase this...
תצוגה מלאה - מידע על ספר זה




  1. הספרייה שלי
  2. עזרה
  3. חיפוש מתקדם של ספרים
  4. הורד את ePub
  5. להורדת קובץ PDF