284 Mr. T. D. A. Cockcrcll'.s Notes on Slwjs. 



Leacli's type, marked ^^Liviax carinatus, given hy li. 

 Latham," is still in the British Museum*; it is a rather large 

 pale specimen, 



A. carinata is easily known from viarginata by its dark 

 sulcus on the mantle and the usually dark-reticulated body. 

 There is in the British Museum a specimen of A. carinata 

 from Ecuador, collected by Mr. Buckley ,• doubtless it is an 

 introduced species in that country. It is rather remarkable 

 that the species has not yet been introduced into North 

 America. 



Amalia carinata^ form Sowerhyi (Fer.). 



Fcrussac's Sowerhyi is simply a form of carinata^ bright- 

 coloured and with strong markings. 



Amalia carinata^ form hicohr (Ckll.). 



Amalia marginata, var. bicolor, Ckll. Sci. Ctoss. Aug. 1687, p. 187. 



Sides black, keel and sole orange. 

 Ealing, Middlesex. 



Amalia carinata^ form fuscocarinata (Ckll.). 



Amalin mnr(/inata, var. fuscocarinata, Ckll. Nat. World, Sept. l88l>, 

 p. 179. 



Keel coloured like the rest of the body. 

 Bedford Park, Middlesex. 



Amalia carinata^ form rustica (Roeb.). 



Amalia mar</inata, var. rustica, Itoeb. Sci. Goss. 1884, p. 78 ; Journ. of 

 Concb. Oct. 1885, p. 3(i;3. 



Colour grey, without any admixture of brown or yoUow. 

 This is ai)parently not rustica, Mill. 



• The ]?ritit<ii ]\lust'um also possesses specimens of Amalia carinata 

 i'roni tlu' following localities in England: — Counn. Docks, London, S.E. 

 {J. E. l)aiiivh\ S. Shields (7v. Ilotvsc) \ near London (./. E. Jlartinij); 

 liedfoid Parlv, Chiswick ('/'. 1). A. Vocherell) ; and a few others withont 

 locality precisely given. One big speciiuen oi A. carinata is marked "/-. 

 carinatH)^ and var. pallida (J. V.. Daniel)." I cammt ascertain that an\ 

 var. pallida of the species has been described. The specimen from 

 Ecuador, presently to be mentioned, wits collected by Mr. Huckley, pur- 

 chased of E. Gernu'd. It is 3(.) millim. long, mantle V2\ millim. long, 

 sole pale ochrev, median area twice as broad as eitlier lateral area. It 

 dilVers in nc tiling fioni those found near London. Among the Inniford 

 Park lot is a sj)ecimeii of form )iit/rcKccns. 



