588 
ZOOLOGICAL LITERATURE. 
Syllis calif ornica, sp. n., Kinberg, 1 . c. p. 249, San Francisco. 
Quathepages (1. c.) describes the following new species 
Syllidia armata, vol. ii. p. 13, pi. 8. figs. 10-15, La Rochelle. 
Gruhea fusifera, p. 35, pi. 7. figs. 16-21, coasts of Brittany. 
Claparediajiliyera^ p. 50, pi. 6 bis. figs. 14-18, Chausey. 
Thylaciphorm hesU, p. 55, Brest. 
Eury syllis lenta, p. 59, pi. 8. figs. 18-23, St. Vaast. 
Schmardea chauseyana, p. 65, pi. 8. figs. 16, 17, Chausey. 
Dnjardinia rotifera, p. 67, pi. 8. fig. 9, Chausey. 
Hesionea. 
Leocrates, g. n., Kinberg, 1. c. p. 244. Tentaculum ; ociili sessiles, sursum 
vergentes nec laterales ; pharynx exsertilis maxilla singula media, supera, 
elongata, cylindrica, edentata armata ; cirri tentaculares 16 ; pedes dorsuales 
et ventrales non discreti, fasciculo vero setarum dorsuali superiore, et ven- 
trali terminali pr£cditi j setae fasciculi dorsualis lineares, serrulatae, ventralis 
compositae, articulis mediis et longis, apicibus bidentatis. Ilesione protochona 
(Schm.) ; L. chinensisy sp. n., Kinb. 1. c. p. 244, Plong Kong, 
Ilesione eugeni^y sp. n., Kinberg, I, c. p. 244, Banka Strait. 
Ilesione steenstnqni, sp. n., Quatrefages, 1. c. vol. ii. p. 96, pi. 9. fig. 17, 
Quettary. 
PlIYLLODOCEA. 
Phyllodoce macidata ((Erst.). Agassiz (/. c. p. 333) describes the larval form 
of this species. Here we may refer to two very strange larval Annelids of quite 
uncertain position, figs. 56 & 58. 
Liocapa vertehralis, Costa. This species, described in the first part of the 
Annuario, p. 87, is here described at greater length, a second specimen having 
been discovered {1. e. p. 164, tav. 4. figs. 1-8). The structure of the eyes in 
this genus is most remarkable, resembling in many respects that met with 
among very much higher animals. The cornea is divisible into two portions, 
a transparent and opaque. The anterior chamber contains an aqueous humour ; 
towards the inner edge of the lens ciliary processes make their appearance. 
The pigment layer is of a brown rosy hue. One muscle is attached to the 
posterior middle surface of the globe ; and there is a well-marked optic nerve. 
Rhynchonereella, g. n., Costa, 1. c. p. 168, tav. 9. figs. 13-15. The 
anterior segment has two very large eyes. The edges of this segment are 
garnished with cilia ; and from it spring four fleshy, nearly equal tentacles in 
front of and between the eyes. There is an odd tentacle. The head has 
two superior and two inferior tentacles, the latter acting as palpi. The struc- 
ture of the eyes is the same as that in Liocapuy and so is also the structure of 
the feet and their appendages. 11. gracilis y sp. n., only one individual found 
at Naples. 
Nicotia, g. n., Costa, 1. c. p. 160, tav. 3. Head consisting of one segment, 
body of thirteen, and two forming a kind of tail. The cephalic segment is 
small, quadrangular, a little broader than long j those of the body are very 
much broader than long, gradually increasing in width from the first to the 
tenth or eleventh , the next three nearly the same width j those of the tail 
very small, the first broader than long, the second quadrate. Head has the 
margins garnished with vibratile cilia, and has seven cirri, one rising from tlie 
forehead, two in front and two on either side ; in addition there are two 
