200 
CRUSTACEA. 
Kurz, W. Ueber androgyne Missbildung bei Cladoceren. Tom. cU. 
1 pp. 1 pi. 
Lessona, M., ik Tapparone-Ganefri, E. C. Nota sulla Macrochira 
hmmpferi e sopra una nuova specie del genere Dichelaspis. Atti 
Soc. Tor. ix. 12 pp. 1 pi. 
MacDonald, J. D. On the anatomy and habits of the genus Phro- 
nima. P. R. Soc. xxii. pp. 154-158, pi. i. 
Marion, A. P. Recherches surles animaux inferiours du golfe de Mar- 
seille. 2“® m^moiro : Description des Crustac^s Amphipodes parasites 
des Salpes. Ann. Sci. Nat. (6) i. No. 1, pp. 1-19, pis. i. & ii. 
Mason, J. Wood. On a ncAV Genus and Species of Land Crabs. Ann. 
N. H. (4) xiv. pp. 187-191. 
Packard, Junr., A. S. Synopsis of the fresh- water Phyllopod Crus- 
tacea of North America. In Hayden’s Annual Report of the U. S. 
Geol. & Geogr. Survey of the Territories for 1873 [Washington : 
1874, 8vo], pp. 613-622, pis. i.-iv. 
This author’s paper in 6th Rep. Peab. Acad. 1874, quoted in the 
‘ Synopsis,’ has not been seen by the Recorder. 
Sars, G. O. Beskrivelse af syv nye Cumaceer fra Vestindien og det 
Syd-Atlantiske Ocean. Sv. Ak. Handl. xi. No. 5, 30 pp. 6 pis. 
. Om en dimorph udvikling samt generationsvexel hos Leptoclora. 
Ofvers. Dan. Selsk. 1873, pp. 1-15, pi. i. 
. Om Hummerens postembryonale Udvikling. Op. cjf. 1874, 27 pp. 
2 pis. 
SjEBOLD, C. T. VON. Ueber Parthenogenesis der Artemia salina. SB. 
bayer Akad. 1873, pp. 168-196. 
Stimpson, W. Notes on North American Crustacea in the Museum of 
the Smithsonian Institution. Ann. Lyc. N. York, x. pp. 92-136. 
Stuxberg, a. Karcinologiska lagttagelser. CEfv. Ak. Forh. 1873, 
No. 9 (1874), 23 pp. 1 pi. 
Verrill, a. E. Results of recent dredging Expeditions on the Coast 
of New England. Nos. 1-7. Collection of separate prints from 
Am. J. Sci. V. 1873, vi. 1873, and vii. 1874. 
Weismann, a. Ueber Ban uud Lebensersclieinungon von Leptodora 
hyaliua. Z. wiss. Zool. xxiv. pp. 349-418, pis. xxxiii.-xxxviii. (also 
as a separate print, Leipzig ; 1874, 70 pp. 6 pis. 8vo.) 
A. Gerstacker has continued his valuable treatise on the Crustacea^ 
giving in parts 17-20 an accurate account of the organization and repro- 
duction of his Order Branchiopoda, including the Phyllopoda^ Cladocera^ 
and Ostracoda, pp. 833-992, illustrated by 7 plates. 
Embryology. 
The formation of the egg in the Crustacea is reviewed with careful 
reference to the literature of the subject, and some new observations, by II. 
