FAUNA AND FLORA OF PLYMOUTH SOUND. 181 



Pecten (Pliny). 



varius (Linn.). Probably in Sound. 3 — 35 fathoms. 



pusio (Linn.). Probably in Sound. Low-water to 90 fathoms. 



tigrinus (MiilL). From stomachs of flat-fish in Sound. 12 — 60 fathoms. 



simihs (Lasliey). In Sound. 2 — 60 fathoms. 



maximus (Linn.). In Sound. 



opercularis (Linn.). In Sound. 



var. Hneata. In Sound. 



var. tumida. In Sound. 

 Anomia (Linn.). Low-water to 30 and up to 100 fathoms. 



ephippium (Linn.). In the Sound. Free or attached to Pinna. 



var. aculeata. In the Sound. Attached to corallines. 



patelliformis (Linn.). 15 fathoms. 



Scaphopoda. 

 Deutalium (Linn.). 



entalis (Linn.). In Sound, and from hake's stomachs. 



tarentinum (Lamk.). In Sound, 12 — 15 fathoms, and 5 to 6 miles from land 

 7 — 25 fathoms. 



Gasteropoda. 



Chiton (Linn.). 



hanleyi (Bean). In trawl refuse. 



fascicularis (Linn.). Whitsand Bay. Littoral to 25 fathoms in deep water 

 (Bellamy). 



ruber (Linn.). Probably in the Sound. 



cinereus (Linn.). In Millbay, low spring tide. 



cancellatus (Sow.). Probably in Sound. 



marginatus (Penn.). Doubtless in Sound. 

 Patella (List.). Littoral and laminarian zones. 



vulgata (Linn.). In the Sound. " Rock limpet." 



var. 1, elevata. In Sound. 



var. 2, picta. In Sound. 



var. 3, intermedia. In Sound. 



var. 4, depressa (Penn.). In Sound. 



var. 5, cerulea (Linn.). In Sound, 

 Helcion (De Mont.). 



pellucidum (Linn.). 



var. Icevis. In Sound. 

 Tectura (Cuv.). 



virginea (Mxill.). In Sound. " Sea-weed limpet." 

 Calyptrsea (Lamk.). 



chinensis (Linn.). In Sound. 7 — 10 fathoms. 

 Fissurella (Brug.). 



graeca (Linn.). Probably in Sound. 

 Emarginula (Lamk.). 



fissura (Linn.). In Sound, in deep water. 



rosea (Bell). In Sound. 20 — 25 fathoms. 

 Haliotis (Linn.). 



tuberculata (Linn.). In the neighbourhood (Rogers). 

 Trochus (Rond.), 



zizyphinus (Linn.). Common in Sound. 



var. 1. Common in Sound. 



var. 2. Common in Sound. 



var. 3. Common in Sound. 



granulatus (Born). In Sound. 



exasperatus (Penn.). Probably in Sound. 



millegranus (Phil.). Probably in Sound. 



