` nuchalis with abnormal dentition. 
946 ; a General Notes. 
Myriapops.—Mr. Chas. H. Bollman. has recently pub 
several papers on North American Myriapods. One, en 
“Notes on the North American Lithobidz,” appears in the A 
of the New York Academy of Sciences. In it he describes as ne 
Lithobus minnesote, tuber, proridens, pullus, trilobus, cardinals, 
howet, politus (McNiell MS.), and clavus (McNiell MS.). This 
followed by a synonymical list of the known species of North 
American Lithobidz and Scutigeridz. A second paper— 
on North American Julidz”—appears in the Annals of the New 
York Academy (vol. iv.). The author catalogues ninety-two species 
of the family known from North America, including the follow 
ing new species: Fulus oweni, Spirobolus pensacolus, S. hebes, 
Parqqulus ellipticus, P. castaneus, P, obtectus, P. varius, and Nant 
lene (nov: gen.) burkei. | 
_Fisnes.—Jordan and Eigenmann, in an account of a collet- 
tion of fishes from Charleston, S. C. (Proc. Nat. Mus. 1887 
enumerate fourteen species, nine of which were not previously 
known from that locality. 
In a paper on the fishes of Kansas, Prof. O. P. Hay describes 
as new Notropis encolus and N. germarus, and suggests that t 
genus Tirodon Hay was founded on a specimen of Hybagnall 
Birds.—The large collection of humming-birds made by “a 
D. G. Elliot and which formed the basis of his recent monog® 
has passed into possession of the American Museum in ™ 
York City. The museum has also acquired his ornitholog! 
library of about one thousand volumes. ers i | 
Dr. Leonard Stejneger is publishing in the Z voceedings apa 
iVatonal Museum an exhaustive review of the birds of J 
In the same journal Mr. Robert Ridgway has recently 0e% 
_ a new sub-species of plumed partridge (Callipepla ee 
Sout) from Sonora. His material consisted of five spect 
EMBRYOLOGY." g 
Spermatogenesis in Mammalia.?—The interest op ae 
to the development of the spermatozoon, from he P 
of the embryologist, is not less than that which attaches i 
* Edited by JoHx A. RYDER, Ph D., Biological Department, Universi 
sylvania, Philadelphia. í x ale 
? Untersuchungen über den Bau des functionirenden Samenka el 
Saugethiere und Folgerungen fiir die Spermatogenese dieser carl Benda 
Arch. f. Mik. Anat., xxx., 1887, pp. 49-110. Taf. v.—vii. Von Dr. 7 
