VII 



NAME OF SPECIES 



Depth at which collected 



Lithotrya nicobaricd Rhdt 



Lithotrya pacifica Borrad 



Lithotrya truncata Ouoy & Gaimard 



Tetraclita porosa (Gmel.) 



Tetraclita costata Darwin 



Tetraclita vitiata Darwin 



Tetraclita coerulescens Spengler 



Chthamalus stellatus Poli 



Scalpellum Peroni (Gray) 



Poecilasma fisstim Darwin 



Pyrgoma grande G. B. Sowerby jun 



Balamts areuatus n. sp 



Dichelaspis Tydcmani n. sp 



Pyrgoma jcdani n. sp 



Balanns bimac n. sp 



Balanus amaryllis Darwin . 



Balanus amphitrite Darwin 



Scalpellum rostratum Darwin 



Acasta glans Lamarck 



Balanus socialis Hoek 



Dichelaspis Nierstraszi n. sp 



Chthamalus intertextus Darwin 



Balanus auricoma n. sp , 



Dichelaspis Versluysi n. sp 



Balanus quinquevittatus Darw 



Balanus calceolus Ellis 



Balanus cornutus n. sp 



Balanus quadrivittatus Darwin 



Scalpellum uncus n. sp 



Balanus ciliatus n. sp 



Creusia spinulosa Leach var. sumbawae n. var. 

 Microlepas diademac n. gen. n. sp. ...... . 



Balanus longirostrum n. sp 



Balanus hystrix n. sp 



Poecilasma eburncum Hinds 



Dichelaspis orthogonia Darwin 



Acasta conica n. sp 



Balamis navicula Darwin 



Creusia spinulosa Leach var. (11) Darwin . . , 



Balanus terebratus' Darw'm 



Scalpellum pollicipedoides n. sp 



Balanus maculatus n. sp 



Balanus maldivensis Borrad 



Dichelaspis orthogonia (forma dubia) 



SIBOGA-EXPEDITIE XXXI. 



Reef-exploration. 



Shore-exploration. 



Shore-exploration. 



Reef-exploration. 



Reef-exploration. 



Reef-exploration . 



Reef-exploration. 



Shore-exploration, reef-exploration. 



Coast- or shore-exploration. 



Shore. 



Shore. 



9- 

 10- 



i 



m. 

 m. 

 m. 



13—31 m. 

 13—40 m. 



13 — 5 6 m- 



13—94 m. 

 18—45 m- 

 18 — 91 m. 

 18 — 120 m. 

 22 m. 



2 7 — 9° m - 

 32 m. 

 32 m. 

 32 m. 

 32 m. 



34- 



34- 



-34 m. 

 -296 m. 

 -113 m. 

 6 m. 



o 



36 m. 

 36 m. 

 — 40 m. 



40 — 90 m. 

 40 — 120 m. 



—45 m- 

 45 tn. 



—52 m. 

 —52 m. 



5 7 m- 

 6 9— 73 m. 

 69—390 m. 

 73—8S m. 



