272 THE ZOOLOGIST. 



species of Antedon, of which eight are new ; and seven species of Actino- 

 metra, two of these being hitherto unknown. The author institutes the new 

 genus Eudiocrinus for Semper's Ophiocrinus, the latter name having been 

 preoccupied by an obscure Criuoid described by Salter from the Devonian 

 formation of South Africa. 



June 15, 1882. — Sir John Lubbock, Bart., M.P.,F.R.S., President, in 

 the chair. 



The following gentlemen were elected Fellows of the Society: — The 

 Rev. R. Collie, Chas. A. Ferrier, W. D. Gooch, T. D. Gibson-Carmichael, 

 Sir J. R. Gibson Maitland, Bart., M. Murphy, Rev. H. A. Soames, H. C. 

 Stephens, H. W. G. Stephens, and James Turner. 



Specimens in illustration of the papers by Mr. Geo. Brook aud Mr. R. 

 M'Lachlan, were exhibited under low powers of the microscope. 



Prof. E. Ray Lankester read " Notes on some Habits of the Scorpions, 

 Androctonus funestus, Ehr., and Euscorpius iudicus, Roes." Of the former 

 he related its mode of burrowing in the sand, making horizontal tunnels 

 occasionally eight inches long. The process of exuviation was also wit- 

 nessed on several occasions, when the Scorpion, pushing its large chela? into 

 the sand, scraped rapidly backwards with the three anterior pairs of walking 

 legs. The specimens of Androctonus were evidently timid ; in walking 

 they raise their body, and the tail and sting are carried highly arched over 

 the back ; in this mode of carriage differing from Euscorpius, which keeps 

 its body low and flat, and drags the tail behind with only the very tip bent. 

 Androctonus only fed at dusk, and then, seizing its prey with the left 

 chelae, archedly swung its tail over its head and pierced its victim with its 

 sting, afterwards inserting its short chelicerae and sucking in the nutriment 

 of its victim. The so-called combs or pectiuiform appendages do not appear 

 to be ordinarily sensitive ; they may possibly become more so during the 

 breeding season. The old story of the suicide of the Scorpion when 

 surrounded by a ring of fire, is to be partially explained by an individual 

 accidentally lacerating itself by the sting when driven to extremities. 

 The Euscorpius observed occasionally fought furiously with each other, 

 and then only used their chelae, but never the sting. 



A paper was read " On a New Genus of Collembola (Sinella) allied to 

 Degeeria, Nicolet," by Mr. Geo. Brook. It differs from Degeeria in having 

 fuur eyes, instead of sixteen ; in the absence of long abdominal hairs ; and in 

 the different construction of the claws and mucrones. S. curviseta is a new 

 species, and on which the genus Sinella is founded ; examples were bred, 

 and watched through their immature stages onwards. 



Mr. R. M'Lachlan read a communication " On a Marine Caddis-fly 

 (Philanisus, Walker, Anomalostoma, Brauer) from New Zealand." Material 

 for examination of this curious discovery was sent the author by Prof. Hutton, 



