MOLLUSCA. 
219 
JEolidm. 
Glaucus forstet'i (Lam.); figured by Alder and Hancock; Trans. Zool. Soc. 
V. pi. 3.3. f. 13. 
JEolis. Messrs. Alder and Hancock; 1. c., describe and figure the following 
species from Waltair: Tlolis vnilineata, p. 143; pi. 33. f. 14; E. militarts, 
p. 144, pi. 33. f. 15 ; and E. ocellata, p. 144, pi. 33. fs. 16, 17. 
Mr. Angas describes two species from Port Jackson : jEoUs fonlisi, Joum. 
Conch, p. 64; pi. 6. f. 3; and jE. macleayi, p. 65, f. 4. 
Flahellina. Mr. Angas, 1. c., describes and figures three species from South 
Australia : F. janthina, p. 66, pi. 6. f. 6 ; F. ornata, p. 67, f. 7; and F. new- 
Qomhi, p. 68, f. 8. 
HeRM^EIDtE. 
Phyllohj'anchus, g.n., Alder and Hancock, near branchiae leaf-liko, 
with distinct footstalks ; anus lateral. Ph. (^Proctonotiis) orientaJisy Kelaart, 
figured by Alder and Hancock, Trans. Zool. Soc. v. pi. 33. fs. 18, 19. Ceylon. 
Elysiid^e. 
Elysia coodgeensisy Angas, J ourn. Conch, p. 69, pi. 6. f. 9, from Coodgee Bay, 
South Australia. 
Order HETEROPODA. 
Ianthinid^. 
Dr. Fritz Muller has published his examinations of some 
peculiar structures in the seminal fluid of lanthinay^ Ann. & 
Mag. Nat. Hist. xiv. pp. 430-433. At the first glance they may 
be taken for parasitic worms with a head- and tail-portion, 
covered with hairs; but they were finally recognized by the 
author as an essential element of the semen, which may be com- 
pared to the sperm atophora of other mollusks, the hairs mentioned 
being the seminal filaments (spermatozoidia ) . 
Order PULMONIFERA INOPERCULATA. 
Suborder Geophila. 
Sanders, A. On the anatomy of Helix adspersa. Quart. Journ. 
Microsc. Sc. 1864, iv. pp. 146, 147. 
The gland which is frequently named the ovary contains zoo- 
sperms in immense number, together with ova in all stages of 
development, and therefore must be regarded as testicle as well 
as ovary [as has been stated long ago by Siebold, Gegenbaur, 
and others]. — Some objections against this view are raised by 
Mr. Lawson, ibid. p. 204, and answered by IMr. Sanders, pp. 
294,295. 
M. Bourguignat also has expressed an opinion on the herm- 
aphroditism of the animals of this order, in his ' Malacologie de 
la Grande Chartreuse,’ p. 61 : Pour nous, les mollusques gas- 
