MARINE ZOOLOGY 



ECHINODERMA {continued) 



ASTERIIDAE 



Asterias glacialis, L. Plymouth, l.w. — 35 fins., f.c. 

 Further east than Bolt Head specimens have 

 only been taken very rarely ; Salcombe (i) ; 

 Teipimottth Bay (i) ; Brixham (i) (M.B.A.) ; 

 Ilfracombe (B.M.) 



— rubens, L. l.w., 30 fins., f.c. everywhere, occ. 



abundant 



Ophiolepidae 



Ophiura albida, Fb. Plymouth, 15-35 ^^^-t ^■^- o" 

 coarse grounds (M.B.A.) 



— ciliaris (L.). Gen. dist. and c. on fine hard sand, 



15-35 fins. B. V, viii (M.B.A.) 



Amfhiuridae 



Ophiocnida brachiata (M.). Plymouth i.c. and Salcombe 

 c, in muddy sand between tidemarks (M.B.A.) 

 Amphiura chiaji, Fb. Plymouth, r.. (M.B.A.) 



— elegans (Leach). v.c, l.w. — 20 fins. B. v-ix 



(M.B.A.) 



— filiformis (O.F.M.). OiF the Eddystone (M.B.A.) 

 Ophiactis balli (Th.). Plymouth, 15-35 fins., in 



crevices of rocks and on Chaetopterus tubes ; 

 Teignmouth Bay (M.B.A.) Ripe, Sept. (M.B.A.) 



Ofhiocomidae 



Ophlocoma nigra (O.F.M.). With, but I.e. than, 



Ophiothrix fragilis 

 Ophiopsila aranea, Fb. Mezvstone Ledge and Stoke 



Point grounds, f.c. in crevices in red sandstone, 



especially old Pholadidea borings. Ripe, Aug. 



(M.B.A.) 



Ophiothricidae 



Ophiothrix fragilis (O.F.M.). Gen. dist. and c, 

 l.w. — 3 5 fms., enormously abundant on certain 

 grounds. Ripe, Mar.-June, Aug.-Sept.; spawn- 

 ing, Oct. (M.B.A.) 



ECHINIDAE 



Echinus acutus. Lam. f c, 1 5-3 5 fms. on fine sand, 

 frequently with Siphonostoma affinis. B. vii 

 (M.B.A) 



— esculentus (L.) f.c. 15-35 fins., often with 



Scalisetosus assimilis. Ripe, Mar., May (M.B.A.) 



— miliaris, L. l.w. — 3 5 fms., f.c. everywhere, largest 



specimens on the shore. B. v (M.B.A.) 

 Strongylocentrotus lividus (Lam.) Ilfracombe (B.M.) 



Clypeastridae 



Echinocyamus pusillus (O.F.M.). 10-35 fms. on 

 gravel, f.c. 



Spatangidae 



Spatangus purpureus, O.F.M. Coarse ground, 



15-35 fms., m.c. in places 

 Echinocardium cordatum (Penn.). Shore — 3 5 fms. in 



sand, f.c. 



— pennatifidum, N. Plymouth, 15-30 fms., f.c. 



(M.B.A.) 



— flavescens (O.F.M.), Off the Eddystone (M.B.A) 



TURBELLARIA 



Proporidae 



Proporus venosus (Sch.). m.c. Plymouth Sound; 



Wembury Bay, l.w. (M.B.A.) 

 Monoporus rubropunctatus (Sch.). m.c. with P. 



venosus (M.B.A.) 



Aphanostomidae 



Aphanostoma diversicolor, O. Plymouth, fc, l.w. 

 (M.B.A.) 



— elegans, Jn. Plymouth, single specimen (M.B.A.) 

 Convoluta saliens, v. G. Plymouth, r. among Zostera 



(M.B.A.) 



paradoxa, O. Plymouth, littoral zone, gen. dist. 



but n.c. (M.B.A.) 



— flavibacillum, Jn. Plymouth, in sandy creeks 



(M.B.A.) 



MiCROSTOMIDAE 



Microstoma groenlandicum, Lv. Plymouth, among 

 Ulva, r. (M.B.A.) 



Mesostomidae 



Promesostoma marmoratum (Shz.). Plymouth, f.c. in 

 rockpools (M.B.A.) 



— ovoideum (Sch.) Plymouth Sound, occ. in dredg- 



ings (M.B.A.) 



— solea (Sch.). Plymouth, abundant in dredgings 



(M.B.A.) 



— agile (Lv.). Plymouth, among Zostera (M.B.A.) 

 Byrsophlebs graffi, Jn. Plymouth Sound, l.w., r. (M . B. A.) 



— intermedia, v. G. Plymouth Sound, l.w., r. (M.B.A.) 

 Proxenetes cochlear, v. G. Plymouth Sound (M.B.A.) 



— flabellifer, Jn. Plymouth (M.B.A.) 

 Mesostoma neapolitanum, v. G. (?). Plymouth Break- 

 water, single specimen (M.B.A.) 



Proboscidae 



Pseudorhynchus bifidus (Mclnt.). Plymouth Sound 

 (M.B.A.) 



Acrorhynchus caledonicus (Clpd.). Plymouth tide- 

 pools, m.c. (M.B.A.) 



Macrorhynchus naegeli (Koll.). Plymouth Break- 

 water, plentiful Aug. (M.B.A.) 



— croceus (F.). Plymouth Sound, dredged once 



(M.B.A.) 



— helgolandicus (Mets.). Plymouth Sound, once 



(M.B.A.) 



Gyrator hermaphroditus, E. Plymouth Sound, tide- 

 pools, water at times brackish, early winter 

 (M.B.A.) 



Hyporhynchus armatus (Jn.). Plymouth, m.c. (M.B.A.) 



— penicillatus (Sch.) Plymouth, once (M.B.A.) 



Vorticidae 



Provortex balticus (Shz.). Plymouth, between tide- 

 marks, f.c. (M.B.A.) 



— afiinis (Jn.). Plymouth, among algae (M.B.A.) 



— rubrobacillus, Gamble. Plymouth Sound, dredged, 



r. (M.B.A.) 

 Fecampia erythrocephala, Giard. Plymouth, encysted 

 stage, c. on all stony shores at l.w. (M.B.A.) 



Plagiostomidae 

 Plagiostoma dioicum (Mets.). Plymouth (M.B.A.) 



— elongatum. Gamble. Wembury Bay,' Plymouth 



Breakwater (M.B.A.) 



141 



