414 Scientific In telligence. 
mostly to the genera Actinometru and Antedon. Of these the 
former is the more abundant, both in species and individuals. In 
this paper a few new species of these reg are described, and 
two species of a new genus, Afelecrinus. “Blake” collec- 
tion is contrasted with that of the “ Challenger.” 
Various other papers, not relating particularly to the two ex 
plorations referred to abo ri have been recently published: 
Among — 5 the following : 
7 h and Genital Organs of Astrophytide, By T. 
hers < Bul Mus. Comp. Zoology, viii, [pp. 117-126, 2 plates, | 
Feb., 
Studies - the Jelly- Fishes of Narragansett Bay. By J. W. 
Fewxes.< Bull. Mus. Comp. Zoology, viii, [pp. 141-182, 10 pl. ]. 
—This includes many details concerning severa known species 
and the following new forms: Mabella eracilis, gen. and sp. nov., 
Modeeria multitentacula, Dinematella cavosa, gen. and sp. nov., 
Eutima gracilis, Spheru a formosa, gen. and sp. nov., Cunina 
discoides. 
IT. —The Siphonophores. The Anatomy feat Development of 
Agalma (continued). y Jd. — Frewxkes. < American 
homie [pp. 186-195], March, 18 
e Points in the Structure . the Embryonic Zoéa. By 
baee’ wana: < Bull. Mus Comp. Zoology, vi, [pp. 159-166, 
2 plates], Oct., 1880. —Relates to the dev elopment of Carcinus 
and Panopeus. 
n some Crustacean Deformities, By W. Faxon.< Bull. 
Mus. Comp. Zoology, viii, [pp. 257-274, 2 aaa |—Discusses 
numerous deformities of Homarus and Callinectes. 
The Development of the Squid, Loligo Pealii (Lesueuer). By 
W. K. Brooks hie tepaaenel Memoirs of the Boston Society of 
Natural History, 1880 
Annelida Chetopoda of New Jersey. By H. E. Wepster. 
< Thirty-second Annual Hea on the New York State Museum 
of Natural Histor p. 1-28, plates not issued] 1880, (dated 
1879).—Although put in Hee in 1879, this paper was not actua y 
published until 1880, and the plates that were prepared for it 
have not yet been able ed. A number of new species are 
described belonging to the genera Anaitis, Eteone, Podarke, Gru- 
bea, Goniada, Polydora, Streblospio (gen. nov.), Praxilla, Parax- 
iothea (gen. nov.), Sabellides. Fifty-nine species are enumerated 
a 0 ical Normal Histology ; » H- 
ELL Prup M. e G. P. Putnam’s Sons, 1881.) 
pEN, M.D. ork : 
p. viii and 265, small seo The method of giving a brief de- 
scription of the tissues and organs in appropriate sequence, and 
following each description with an account of the way in which 
the structures described may be demonstrated has been admirably 
carried out in ~ — Hage volume, which well fills an 
pla ooks. 
English text book are Eis can ae found so concise and clear an 
account of the structure of the principal animal tissues, as at present 
understood. The directions for demonstration are sufficiently 
