A history of the British sessile-eyed Crustacea . MGk MONOPHTHALMA. Specific character. Oval, convex, eyes very large, uniting dorsally, ex-tending obliquely backwards, the anterior margin of the first segment of thepereion being deeply incised on each side for their reception, terminal segmentof the pleon flat, nearly semicircular, with a central carina terminating in apoint. Length, 2| inches.^ija monophthalma. Eocinela monophthalma. Johnston, in Loudons Mag. Nat. Hist. vii. p. 233, f. Edwards, Crust, iii. p. 244. White, B. M. Cat. Brit. Crust, p. 80. Pop. Hist. Brit. Crust, p. 252,
A history of the British sessile-eyed Crustacea . MGk MONOPHTHALMA. Specific character. Oval, convex, eyes very large, uniting dorsally, ex-tending obliquely backwards, the anterior margin of the first segment of thepereion being deeply incised on each side for their reception, terminal segmentof the pleon flat, nearly semicircular, with a central carina terminating in apoint. Length, 2| inches.^ija monophthalma. Eocinela monophthalma. Johnston, in Loudons Mag. Nat. Hist. vii. p. 233, f. Edwards, Crust, iii. p. 244. White, B. M. Cat. Brit. Crust, p. 80. Pop. Hist. Brit. Crust, p. 252, pi. xiv. f. 7. GossE, Man. Mar. Zool. 1, fig. 233. The animal is oval, of a pale brown colour, approach-ing to fleshy red, and when alive tinged with purple,dotted all over with numerous punctures. The upperantennas are very short, the two basal joints muchdilated, forming together a broad movable plate ; theflagellum is setaceous, the lower antennas more than twicethe length of the superior, the three basal joints shortand unequal, the flagell
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Keywords: ., bookauthor, bookcentury1800, bookdecade1860, booksubjectcrustacea
