PROCEEDINGS OF THE MIDLAND MALACOLOGICAL SOCIETY. 1 5 



6.— Apion subfuseus from the Orkney Isles 

 I am indebted to the kindness of Dr. Geo. E. Allan, for a peculiar specimen 

 o^ Arioji suhfmcui<, Drap., collected by him in the Orkney Isles during the 

 summer of 1903. 



Externally the specimen is much darker in colour than those usually 

 met with, and the foot-sole and foot-fringe are a light-brown, the former 

 without lineoles. 



Internally the chief differences from the normal condition are confined 

 to the generative organs. The typical appearance is so well-known that I need 

 not here describe it, beyond pointing out the very characteristic form which 

 the free-oviduct exhibits in this species. In the specimen under consideration 

 instead of the ]-shaped free-oviduct, and the gradually tapering sperm duct, 

 the former was thrown into a series of saccular dilatations and nearly twice 

 as long as usual, while the sperm duct was a fine wavy tube of almost equal 

 dimensions throughout. 



I have elsewhere (') described and figured the variations met with in the 

 generative organs of this species, in some hundreds of specimens dissected 

 during 1892 — 1895, and these were exceedingly few. This is the first I 

 have met with since, and quite distinct from any previously described. 



7 —Absence of the Male Generative Organs in Arion hortensis, Fer. 



It may be of interest to record that recently when opening a specimen of 

 this mollusc collected in the south of England, I was somewhat surprised to 

 find the whole of the male portion of the generative organs absent. As in 

 other cases recorded for different species of this genus, the sperm duct, vas 

 deferens, receptaculum seminis and duct, and the prostatic canal, were all 

 wanting. 



PROCEEDINGS OF THE 

 MIDLAND MALACOLOGICAL SOCIETY. 



47TH MEETING, Nov^:.^niKK 13TH, 1903. 

 The President in the cliair. 



Exhibits. 



By Mr. Guy Breeden : Series of shells of different species of Limuaca from 

 various localities. 



By Mr. Collinge : A drawer fro-.n the HiinterJHarron Collection cont.iining British 

 species of Limuaca. 



4STH (ANNUAL) MEETING, December iith. 1933. 



The President in the chair. 



The Annual Report of the Council and the Treasurer's statement were read 

 and adopted. 



In the absence of any amendments to the Council's nominations, the followin^:; 



Proc. Zool. Soc, iS-,7, ]>. 441, pi. .xxix, fi^s. i — 5. 



