1888. J 237 



Mr. R. South exhibited a remarkable variety of Polyommatus Phlceas, caught 

 by him in North DeTon in 1881. 



Mr. E. W. Lloyd exhibited a living specimen of the species of Ocnera taken 

 in London amongst merchandise imported from Ispahan. 



Mons. A. Waillv exhibited, and read notes on, a number of cocoons of AniJiercea 

 assamensi's, A. Eoylei, Actios Selene, Attacus ricini, &c., lately received from 

 Assam ; also a number of nests of cocoons of Bomhi/x rTiadama — the silk of which 

 is used by the Hovas in the manufacture of their stuffs called "Lanibas " — from the 

 island of St. Mary, Madagascar. 



Mr. H. J. Elwes read a paper on " The Butterflies of Sikkim," the result of 

 many years of collecting in that wonderfully rich district of the Himalayas. He said 

 he had been enabled to complete his observations during the enforced delay at 

 Darjeeling of Mr. Macaulay's Mission to Tibet, of which he was a member. He 

 stated the number of species occurring in this small district to be about 530, which 

 is greater than the number hitherto found in any other district in the Old World, 

 Of these the greater part only occur in the hot valleys at an elevation of 1000 to 

 3000 feet, and these are for the most part of a purely Malayan character, whilst those 

 found in the middle zone are in many cases peculiar to the Himalayas; and the few 

 species from the alpine parts of the country at 12,000 to 16,000 feet are of a European 

 or North Asiatic type. An important feature in this paper was the numerous obser- 

 vations taken on the habits, variation, seasons of appearance, and range of altitude 

 at which the various species occur, for which Mr. Elwes said he was largely indebted 

 to Herr Otto Moller, of Darjeeling. The paper concluded with an analysis of the 

 species and genera as compared with those found in the North-West Himalayas and 

 in the Malay Peninsula. Mr. J. H. Leech, Dr. Sharp, Mr. Elwes, and others took 

 part in the discussion which ensued. — H. Goss, Son. Secretary. 



TROPICAL AFRICAN COLEOPTERA ; . CHIEFLY FROM THE 

 ZANZIBAR MAINLAND. 



BY H. W. BATES, F.R.S., <S:c. 



{Concluded from ■page 203). 



Onthophagus panoplus. — Late ohlongus convexu.'5,suhcEneo-niger opacus; 

 capite hrevi, obtuse triangulari, granulate et punetulato, media fronte tuher- 

 culo ininuto, vertice latinsime cai'inato et tri-cornuto, cornubus Iate)'alibu3 

 valde curvatis, elongatis cowpressis, apiice triincatis, cornu mediano validiori, 

 breviori, recto, lateraliter compresso, apice verticaliter bifurcato : thorace 

 magno [elytris longiori et latiori) margine prope angulos posticos hand dentate, 

 medie dorso antice late et prqfunde excavate Icevi, cernuque oblique elengato 

 paullo compresso rugose ; thorace postice et lateraliter cequaliter discrete 

 granulate : elytris striatis, interstitiis subtilissime striguleso-alutaceis sparsim 

 granulatis. Subtus cum pedibus niger politus. Long., 14 mm., $ . 



Mamboia (Mr. Last). 



Distinguished from tlie allied species of the group by the extra- 

 ordinary development of the centre point of the posterior carina. It 

 forms a robust horn, inclined towards the long dorsal horn of the 



