TRANSACTIONS OF THE SECTIONS. 



71 



Fishes. 

 Orthocera 



Species obtained. 



Anomia 



Nucula margaritacea 



i oblonga, Brown's 



Illus 



Modiola vulgaris 



Nucula rostrata 



Anatina pubescens .. 

 Kellia suborbicularis 

 Mactra elliptica ..... 

 GoodaUia triangularis! 

 minutissima J 



TeUina crassa 



Psammobia florida . 

 Cardium laevigatum. 

 Lima subauriculata . 



fragilis 

 • tenera.. 



Pecten sinuosus . 

 obsoletus. 



1 — - opercularis , 



Pectunculus pilosus. 



Venus ovata .. 



— fasciata.. 



— virginea 



— cassina . 



Lucina undata. 



Nudibranchia Mollusca 



ECHINODERMATA. 



Stellonia rubens 



Echinus sphasra, Miill. 



— miliaris, Leske. 



Echinocyamus pusillus . 

 Spatangus purpureus ... 



Zoophytes*. 

 Flustra foliacea. 



truncata. 



tuberculata. 



Thuiaria articulata. 

 Antennularia antennina 



300 



In shell-sand. 

 All upper valves. 



Small. 



Single valves. 



Single valves. 



Odd valve. 



Single valves, chiefly small. 



J All dead; two or three of each species perfect 



\ and several odd valves. 



Single valves. 



Single valves. 



Single valves, small. 



» Nearly half an inch in length," as was a specimen 



procured by Mr. Jeffreys at Oban. 

 Single valves. , . , . 



Not a single specimen with the valves united, but 

 some of them with the cartilage fresh. Many 

 worn and covered with Serpulm and crustaceous 

 zoophytes. The specimens are generally large- 

 one is H inch in length. Mr. Jeffreys found the 

 species at Oban If inch. 

 Single valves. 



Single valves. , 



Of the living specimens, one was full-grown, the 

 other small. The dead valves were separate and 

 much worn ; a few of small size. 

 Only one was perfect, the remainder odd valves 

 mostly old and worn, and incrusted with zoo- 

 phytes ; very few small specimens. 

 Single valves. f 



Sinsle valves. 



Single valves, small and much worn. ,,.■_, 

 The living specimens and the perfect dead shell 

 (the remainder were odd valves) small ; the odd 

 valves mostly full-sized. The animal has a 

 large hatchet-shaped foot, and a long siphonal 

 tube. 

 Single valves. 



A species of. 



Large. 



From a very small size up to largest. The in es 

 tines filled with fragments of shells. Do they 

 eat the shell-fish and break up the shells, or 

 do they swallow the shell-sand and extract the 

 nourishment from it ? 



* Although Zoophytes were plentiful, no Alg* whatever occurred. 



