394 P«OF. J. A. TUOMSON AND MR, W. D. HENDERSON ON [Apr. 10, 



of Clavularia, Synipodium, Xenia, S'pougodes, LithopJiytum, and 

 SderopUytnm \ but there are also some representatives of the 

 deeper water fauna, e. g., species of Pieroeides and Virgidaria. A 

 few specimens * collected by Mr. Crossland at Cape Yerde Islands 

 have been included in the report. We have been indebted to the 

 indefatigable collector for some notes on the colours of the li^-ing• 

 animals. 



List of Species. 



Order I. STOLOXIFERA Hicksoii. 

 Fainil}' C o e n u l a e 1 1 d je. 



Clavularia garcia Hicksuii. 



„ „ „ var. inermis, uov. 



„ flava Maj'. 

 „ gracilis May. 



„ reptans Hickson. 



„ strumosa EhreiiLerg. 



„ margaritifertB Thomson & Heiiderst)u. 



„ crosslandi, sp. ii. 



„ resells, sp. n. 



„ puleJira, sp. n. 



„ zanziharensis, sp. n. 



„ mollis, sp. 11. 



„ parvula, sp. n. 



„ pregnans, sp. n. 



Sympocliv.m punctatiim Ma}'. 



„ cceruleimi Ehroiilierg-. 



,, fuscnm, sp. ii. 



„ splendens-, sp. ii. 



Family T u b i p o E i D ^. 



Tuhipora cliamissonis Elireiiberg. 



Order II, ALCYONACEA Verrill {pro yarfe). 

 Family X e n 1 1 d ^. 



X^enia um.hellata Savigiij'. 



„ quinqueserta May. 



„ membranacea iScheiik. 



„ coeridea Ehreiiberg'. 



„ ternatana Scheuk, vav. elongate, iiov. 



„ rigida, sp. ii. 

 ILeteroxenia elisahetlia; Kolliker. 

 Cespitularia coerulea May. 



Family A l c t o n 1 1 d .t. 



Alcyonium pachyclados Kimi/.iiigt'r. 

 Sinularia brassica May. 



„ fungoides, sp. ii, 



Scleropliiftum polydactylum Dana. 



„ querciforme Pratt. 



„ maretizelleri Pratt { = LohopJii/fvm marcnzelleri). 



„ Itirtum Pratt. 



,, viride, sp. n. 



Ziobophytvm piauciflorum Elu'euberg. 



* Viz. Clavularia pareula, sp, n., Lophogorgia crista Mobius, Leptogorgia 

 ocliracea, sp. n. 



