Car TE per) See ae cook) OT AE ae Sa eS 
sei Salt one oy Fi Ra ES he aoa NE 
Botany and Zoology. 75 
acter, nor even the actual arrangement and structure of the other 
suckers of the club. The high median crests and broad marginal 
webs of the 3d pair of arms are well shown, but these are about 
equally broad in S. pteropus and S. megapter ‘a, and are also pres- 
ent in all the related species of this grou 
Owen’s specimen had a total length of 3. feet ; length of body, 
15 inches; of head to base of dorsal arms, 3°7; of 3d pair of arms, 
12; of tentacular arms, 21; breadth of caudal fin, 12°6; length of 
their attached bases, 6: 6; breadth of body, 5 length of Ist, 2d, 
,» 4th pairs of arms, 8° ‘9, 11, 12, and 9°6 eakes respectively. 
The specimen is a fe male. It agrees very closely in size with the 
Bermuda Specimen described by me, and its proportions do not 
differ more than is usual with alcoholic specimens of any species 
2 ei under different circumstances, and in aicohol of different 
bly lar we vs 
A handsome squid from the China Sea, is described as Loligopsis 
ocellata, sp. nov v. (p. ines ath 26, figs. 3-8, 2 8 vi- 
reversa, but differs in having serrate suckers. This species should, 
th erefore, be called Calliteuthis ocellata. The genns probabl 
belongs to the Chiroteuthidw. It is much wea than my speci- 
men, but, like the latter, it had lost the tentacular arms. 
e Sesiniag — described are as follows: Tritaxeopus 
. The Zo 
he Echinoidea ; by ALEXANDER Assiz, 4to. 321 pp., 6 
plates. 1881. Bi this elaborate ae very valuable report the 
author not only describes in detail and handsomely and profusely 
rae the numerous new forms collected by the Challenger, 
tepalee and Te rtiar ages. e first nineteen pages are 
devoted to classification and to special features in the structure of 
echini,—especially the plates, spines, and pedicellarix. Several 
a © 
characters and forms, and their numbers, both in species and in 
viduals, are the Echinothuride and the P. — Of the former 
group, three genera and twelve species are here described. Some 
of these are of large size, and all have flexible shells, with more 
ee Phe on the relation of the existing and the Cretaceous forms has 
been reprinted in this number (see p. 40). 
