86 



Mr. Brooks exhibited the unopened flower spike of the Butterbur, 

 Petasites vnlgaris. 



Mr. Scbinassmann exhibited several specimens of the fine Papilio 

 hoinenis from Jamaica, including a female form showing male 

 coloration, with a series of the Pierid Hebomoia roepstovfii from the 

 Andaman Islands. 



Dr. Dixey, F.R.S., then read a paper on " Seasonal Dimorphism " 

 and gave numerous lantern and other illustrations. (See page 1.) 



APRIL 22nd, 1915. 



Mr. A. E. GiBBS, F.L.S., F.Z.S., Vice-President, in the chair. 



The Exhibition of Orders other than Lepidoptera. 



Mr. T. B. Foster, of Addiscorabe, was elected a Member. 



The collection of British Diptera kindly given to the Society by 

 Mr. H. W. Andrews was placed on the table for exhibition by the 

 the Hon. Curator, with seven other drawers from the Society's 

 collections. 



Mr. West (Greenwich) exhibited four drawers of his col- 

 lection of Coleoptera including fine series of British Carabiche, a 

 fine varied series of Notiophilns i-punctatits, including sets of the 

 forms 3-piinctata and 5-pnnctata, a British example of Calosoma 

 sycophanta taken in the Borough Market, two British specimens of 

 Carahns auratus, a nice series of Dytisciis circuiiicinctns including 

 2 $ specimens with elytra having the smoothness of the ^ , and a 

 fine series of the very rare species Micraspis 16 punctata, which Mr. 

 West once took in abundance in the New Forest. 



Mr. Schmassmann exhibited : — 



(1) A fine opal from Mexico with an enclosure of a milky opal. 



(2) An agate stained with a triangular design of layers. 



(3) A fine piece of malachite from Rhodesia. 



(4) Two specimens of agate showing very fine natural colouring. 

 Mr. Edwards exhibited several cases of large species of Exotic 



Coleoptera including Goliatltns drnnji from Sierra Leone, I^ynastes 

 hercules from the Antilles, Di/nastes tityus from North America, 

 Strategus semiramis and Batocera icallacei from India, Heterocomphut 

 sclionherri from Brazil, Batoceia nibus from Malabar, Cladoynathus 

 serricornis, Sayra caendea and Hexodon uniculor from Madagascar, 

 and Rhaphidapsis zonaria from Natal. There were also a pair of 

 the fine Chalcosoma atlas. 



