DISTEIBUTIOX IN DEPTH. 



149 



Species. 



Artemis liiicta 

 Tapes virginea 

 Venus verrucosa ... 

 Tellina donacina ... 



„ balaustina ... 

 .Syudosmj-a alba ... 

 Luciiia lactea ... ... 



„ squamosa ... 



„ rotuiidata ... 

 Cardium rusticum . . . 



„ exiguum ... 

 Cardita sulcata 

 Patella scutellaris ... 



Calj'ptrEea Sinensis 



Bulla Ii5'dati3 



Turritella 3 plicata... 

 Trochus canaliculatuii 

 Cerithium lima 



„ vulgatum 

 Murex fistulosus 

 Aplysia depilans ... 

 Ostrsea plicatula ... 



Number 



of living 



specimens. 





 

 

 

 

 

 

 

 

 

 3 

 

 





 

 

 

 

 12 

 1 

 1 

 



Number 



of dead 



specimens. 



1' 

 5' 



5' 



1-3' 



2' 



2-10' 



2-2S' 



3' 



4' 



1' 



7' 



1' 



1 



2 

 1 



1 

 ■1 

 3 



8 











10' 



Observations, 



A strong valvev 



Washed in from 

 sliore. 



In dark mud. 



Date 



Locality 



Depth 



Distance from shore 

 Ground 



II. 



Sept. 14th, 1842 

 Gulf of SmjTna. 

 26 fathoms. 

 Two miles and a half. 

 Fine brown mud. 



Avicula Tarentina... 

 Saxicava arctica . . . 



Full grown, adliering 

 to each other. 



^ate 



Locality 



Depth 



Distance from shore 

 Ground 



III. 



August 5th, 1841. 



Off noilhera extremity of Paroa, 



40 fathoms. 



Three miles and a half. 



Weedy. 



Pecten pusio 



„ opercularis 



Nucula margaritacea ... 



Cjnherea apicalis 



Cardita squamosa 



Cardium papillosimi 

 Fusus fasciolaroides 



Murex brandaris 



Vennetus gigas 



„ corneus 



Trochus exiguus 



Turbo ruffosus 



Pleurobranchus sordidus 

 Doris tenerrina 



„ gracilis ... 



„ coccinea ... ,t, 

 Ascidium, four species 

 Aplidimu, two species 



Small. 



New. 



New. 



New. 

 New. 



