[377] 
INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 
83 
is frequently found attached to the shells of oysters, and to other solid 
objects. 
List of species commonly found on the muddy shores of the bays and sounds. 
ARTICULATA. 
Crustacea. 
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Gelasimus pugnax......-.-. 367 .| Mysis stenolepis.........-. 370 
Sesarma reticulata......... 367 . M. Americana............. 370 
_ Pinnixa cylindrica......... 367  Squillaempusa............ 369 
Pinnotheres ostreum ...... 367 | Gammarus mucronatus .... 370 
Cancer irroratus........-... 367 | Amphithoé valida .......-- 370 
Panopeus depressus....... 367 A. compta..............-. 370 
Po Sayhecciolen eae tees 367 | A. longimana........... 370 
Callinectes hastatus ......- 367 | Unciola irrorata..........- 370 
Carcinus granulatus....-.. 367 | Corophium cylindricum.... 370 
Libinia canaliculata....... 368 | Idotea irrorata.........-.. 370 
Dy QUbia 32 cms cess cnee ce sck 368 | Erichsonia attenuata ...... 370 
Eupagurus longicarpus.... 368 | Epelys trilobus.........--- + 370 
E. pollicaris....-..-....--- 368 | E. montosus .-.-..-.------ 370 
Callianassa Stimpsoni...... 369 | Limnoria lignorum ....---- 370 
Gebia affinis.............- 368 | Limulus Polyphemus ...... 370 
Virbius zostericola......... 369 | Numerous small Entomos- 
Crangon vulgaris.......... 369 traca, of many genera. 
Palemonetes vulgaris... ... 369 
Annelids, (Chetopods.) 
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_ Nereis virens.........-.... 371 | Cistenides Gouldii.....-.-. 371 
N. limbata.............24. 371 | Amphitrite ornata...-...-.-- 35 
Diopatra cuprea....-..-.... 371 | Rhynchobolus Americanus. 371 
Lumbriconereis opalina.... 371 | R. dibranchiatus -......... 371 
Ji, TONS > Scecwensize oe nisin ie oe 371 | Cirratulus grandis....-.... 371 
Maldane elongata ......... 371 | Polycirrus eximius .....-.. 371 
Notomastus luridus........ 371 | Cheetobranchus sanguineus. 371 
N, filiformis............... 371 
MOLLUSGA. 
Gastropods. 
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Ilyanassa obsoleta......... 371 | Littorinairrorata......-.-. 372 
Nassa vibex ......-.-.--.- 371 | Lacuna vincta .......--..-- 372 
Eupleura caudata .-....... 371 | Bittium nigrum........... 372 
Urosalpinx cinerea ..--...- 372 | Triforis nigrocinctus....-..- 372 
Astyris lunata ..-....-.--- 372 | Bulla solitaria .......----- 371 
Crepidula convexa ...--...- 371 
