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Show 1883.] ON N E W BEETLES OF THE FAMILY EROTYLID^E. 75 1. Descriptions of new Species of Beetles belonging to the Family Erotylidee. By H E N R Y S. G O R H A M , F.Z.S. [Received Marcb 5, 1883.] (Plate XVIII.) Three years ago I had the opportunity of comparing with a portion of m y own collection of Erotylida the one formed by the late G. R. Crotch and now in tbe Museum of Natural Historv at Cam-bridge. It is well known that m y friend, with whom I spent many pleasant hours in their examination, spared no time or trouble in both acquiring and collating the types in those museums and private collections which he was able to reach. In the present paper it is my object to describe some very conspicuous species which have come into my own possession, from various sources, some from the private collection of Mr. G. R. Waterhouse, some from the collection made in the Philippines by Herr C. Semper, and others from the last collection brought by Mr. Buckley from Bolivia and Peru. I have commenced with the Encaustini, with which it appears to me a linear arrangement should be headed. Their largely developed and powerful form, which is at least as much specialized as the genera placed before it by Lacordaire, seems to me of more importance than a recondite structure of the maxilla?. The genus Aulacochilus, again, is unnaturally separated by Lacordaire from Episcapha, to which I have here placed it in proximity. The present paper contains only an instalment of the new species known to me ; the Langurini, Triplacini, and Erotylini proper must be left for a future time. List of new Species. 1. Encaustes crotchi. Pbilippine Islands. 2. Micrencaustes torquatus. West Africa. 3. plagiatus. Java? Hybosoma, genus novum. 4. Hybosoma hydropicum. Philippine Islands. 5. • striatum. Philippine Islands. 6. tetrastictum. Philippine Islands. 7- Megalodacne imperatrix. Southeast Africa. 8. furcata. West Africa. 9. Triplatoma philippinensis. Philippine Islands. 10. andamanensis. Andaman Islands. 11. gestroi. Borneo, Sumatra. 12. brahminica. India, Assam. 13. siva. India, Assam. 1154.. Episcapha semperi. Philippine Is-lands. cordata. West Africa. 16. Episcapha difficilis. Andaman Islands. 17. - - octopustulata. Philippine Is- 18. lands. • piciventrisW.e st Africa. 19. Aulacochilus inclytus. Philippine Islands. 20. agaboides. Philippine Islands. 21. -, var. ? furciferus. Phi- 22. lippine Islands. episcaphoides. Andaman Islands. 23. Pselaphacus mysticus. Peru, Chan-comayo. 24. Megischyrus elongatus. Peru, Chancomayo. 25. bartletti. Peru, Ghamicuros. 26. Ischyrus peruvianus. Peru. 27. mayog.r ammicus. Peru, Chanco28. Lybas ? dorsalis. euros. 29. Palceolybas cychramoides Africa, Camaroons. Peru, Chami- West |
