. The annals and magazine of natural history : zoology, botany, and geology . ^ leeches I have ever seen in Egypt, and it is impossibleto say when we can obtain more specimens. Trionyx is very rare in thispart of Egypt. The student must therefore be satisfied with whatMr. Harding is able to tell him.—F. J. B.] 7i€w Leech from Egypt. 581) Crop with seven pairs of caeca. Anus situated between the two rings of somite xxvii. andseparated by one ring- from the posterior sucker. Size of the largest example, in a medium state of contrac-tion, 14*5 mm. long and 5 mm. riacohdclht cpf/yptiaca, sp


. The annals and magazine of natural history : zoology, botany, and geology . ^ leeches I have ever seen in Egypt, and it is impossibleto say when we can obtain more specimens. Trionyx is very rare in thispart of Egypt. The student must therefore be satisfied with whatMr. Harding is able to tell him.—F. J. B.] 7i€w Leech from Egypt. 581) Crop with seven pairs of caeca. Anus situated between the two rings of somite xxvii. andseparated by one ring- from the posterior sucker. Size of the largest example, in a medium state of contrac-tion, 14*5 mm. long and 5 mm. riacohdclht cpf/yptiaca, sp. n. Diagram showing dorsal surface, part of anterior ventral surface, aunula-tion, digestive tract, &c. Somites indicated in Eoman figures, ringsnumbered in italics, vith., mouth; i^, proboscis-sheath ; cr.,crop ; St., stomach ; int., intestine ; an., anus. The nearly terminal mouth, the seven pairs of crop-ca^ca,and the fact that its host is a tortoise place this leech beyonddoubt in the Glossosiphonid genus Placohdella (R. Blanchard,1893). Another small species of Placohdella closely re-sembling the one under consideration, recently sent to mefrom India for identification and not yet described, preysupon Trionyx gangeticus. 390 Ml-, G. J. Arrow on LamelUcorn Beetle XLVIII.— On LamelUcorn Beetles belonr/ing to the SuhfamiliesOcliodgeiiiffi, Orplminas, Hybosorlnse, and Trogiuse. ByGilbert J. Arrow. (Published by permission of the Trustees of the British Museum.) The genus Ochodceus is evidently destined to become a verylarge one, especially as reg


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Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1838