1896.] NATURAL SCIENCES OF PHILADELPHIA. 253 



TRANSLATIONS AND REVIEWS. 



220 — Notes on the recently described monotremes. Amer. Nat., 



1878, pp. 320-321. 



221 — A remarkable new genus of giant sloths. Amer. Nat., 



1879, pp. 590-592. (Review of " Beskriivelse af Hovedskallen af 

 et Kaempedovendyr, Grypotherium darwini, fra Laplata-Landenes 

 plejstocene Dannelser." Af. J. Reinhardt. in Vidensk. Sel. Skr. 5te 

 Raekke. Naturv. og Math. Afd. XII, 4, 4to pis. II, Kjobenhavn, 

 1879). 



New sub fams. proposed : Aprielorhinse, Diarhinae. 



222 — A new species of Coelodon. Amer. Nat., 1879, p. 592. 

 (Review of " Kaempedovendyr Slaegten Coelodon." Af. J. Rein- 

 hardt, 4 to p. 257-349, pis. 7. Ext. Vidensk. Selsk. Skr. 5te Raekke, 

 Naturvidensk. og Math. Afd., XII, 3, Copenhagen, 1878). 



223 — Growth as a function of cells. Amer. Nat., 1880, p. 44-45. 

 (Review of " Growth as a function of cells," by Chas. Sedgwick 

 Minot. Proc. Bos. Soc. Nat. Hist., 1878-79, Vol. XX,pt. II, p. 190). 



224 — On the genitalia of male eels and their sexual characters, 

 by S. Th. Cattie (Translation). Proc. U. S. Nat. Mus., Ill, 1880, 

 pp. 280-284. 



225 — On the mature male sexual organs of the conger-eel (Conger 

 vnlgaris), with some observations on the male of the common eel 

 (Aiiguilla vulgaris). By Otto Hermes. Bull. U. S. Fish Comm., 

 I, 1881, pp. 126-130. (translation of "Ueber reife mannliche Ge- 

 schlechtstheile des Seeaals [Conger vulgaris] und einige Notizen uber 

 den mannlichen Flussaal. Anguilla vulgaris"). Zool. Anzeiger, 1881, 

 No. 74, pp. 39-44). 



226 — On Semper's method of making dry preparations. Proc. U. 

 S. Nat. Mus., 1881, pp. 224-225. 



227 — A contribution to our knowledge of the development of the 

 ovster (Ostrea edulis), by Dr. R. Horst. Bull. U. S. Fish Comm., 

 li, 1882, pp. 159-167, 12 figs. (Translation of " Bijdrage tot de 

 Kennis van de Ontwikkelingsgeschiedeuis van de Oester (Ostrea 

 edulisy' in Tijdschr. d. Ned. Dierk. Vereen. dl. VI, 1882). Ab- 

 stract in Zool. Anzeiger, 3d April, 1882. 



228 — Report relative to the generation and artificial fecundation 

 of oysters, addressed to the Minister of Marine and Colonies bv M. 

 Bouchon-Brandely. Bull. U. S. Fish. Comm., II, 1882, pp. 319- 

 338. (Translation of " Rapport relatif a la generation et a la fe- 

 condation artificielle des huitres, addresse au ministre de la marine 

 et des colonies, in Journ. officiel de la Republique Francaise," Decem- 

 ber 16-17, 1882, pp. 6762-6764 and 6778-6782) with notes by the 

 translator. 



229 — On the sexuality of the common oyster (0. edulis) and 

 that of the Portuguese oyster (0. angulata). Artificial fecundation 

 of the Portuguese oyster, by M. Bouchon-Brandely. Bull. U. S. 

 Fish Comm., II, 1882, pp. 339--341. (Translation of " De la sexual- 



