coPEroDA, cirripedia. Crust, 31 
Fctndarus zygcence, sp. n., Brady, l. c. p. 134, pi. lv. fig. 3, Cafe Verde 
Islands, on Zygccna malleus. 
DlCHELESTIDyE. 
Hessella, g. n. Body much elongated, cylindrical, cephalothorax not 
much more tumid, but longer, than the abdomen, which terminates in two 
blunt adpressed lobes, each bearing three small setae; anterior antennae 
very small, indistinctly 5-jointed, and densely setose ; posterior small, 
but stout and hamate ; four pairs of swimming feet, tbo branches all 
2-jointed, first and second pairs 2-branched, third and fourth 1-branched. 
II. cylindrical sp. n., Zamboanga. Brady, /. c. p. 13G, pi. lv. figs. 9-13. 
Antheaciierid;e. 
Philichthys dcederleini , sp. n., in mucous channels at the base of the 
head of Labrus turdus (Bl.); Ricchiardi, P.-v. Soc. Tosc. 1883, p. 279, and 
Zool. Anz. 1883, p. 558. 
Lern^jdae. 
Lerncea abyssicola , sp. n., Brady, l. c. p. 137, with woodcut, N. Atlantic, 
on Cer alias urano scopus, from 2400 fath. 
Chondracanthid;e. 
Chondracanthus ? macrurus , sp. n., Brady, l. c. p. 137, pi. lv. figs. 4-8, 
off Kermadec Islands, on a Macrurus , 600 fath. 
Lernjeopodim:. 
Achtheres micropteri , sp. n., Ramsay Wright, P. Cauad. Inst. i. p. 243, pi., 
on Micropterus, Canada. 
CIRRIPDDIA. 
General notes on literature and geographical distribution, and analyti- 
cal tables of the known species of Lepas, Pcecilasma , Dichelaspis, A lepas , 
Scalpellum, Verruca, Tetraclita, and Chthamalus , by P. P. C. Hoek, in 
Rep. Sci. Results of the Voy. of H.M.S. ‘ Challenger,’ Zoology, viii. 
pp. 1-169, pis. i.-xiii. 
LEPADIDyE. 
Pcecilasma car'inalum, sp. n., West Indies and near Ascension, 390-420 
fath., and gracile , sp. n., off Sydney, 410 fath., Hoek, l. c. pp. 44-46, pis. i. 
figs. 8-10, ii. figs. 1-4, & vii. figs. 6 & 7. 
Megalasma i g. n. Near Pcecilasma ; scuta triangular, with their um- 
bones at a considerable distance from the rostral angle, carina extending 
