146 Helix Jamaicensis, etc. 



Family SCOLOPACID.E. Snipe, etc. 



95. Philohela minor (Gm.) Gr. Probably not very common, an indi- 

 vidual flushed by Mr. Deane, being the only specimen noted. 



96. Totanus flavipes Gm. Noted a single bird of this species April 

 29th, in a wet meadow near the creek. 



97. Totanus solitarius Wils. Quite numerous along the creek during 

 our stay, but undoubtedly was on its way north. 



98. Tringoides macularius (L.) Gr. Common along the creek. 



Family ARDEID^E. Herons. 



99. Ardea ccerulea L. On the 30th of April I saw a fine adult bird of 

 this species on the banks of the creek and identified it to my complete 

 satisfaction, but owing to an unfortunate accident failed to obtain it. 



100. Ardea virescens L. Not common; a few specimens only, observed. 



XVI. — Notes on the Sub-generic Character of Helix Jamai- 

 censis, Chemn., and on certain Terrestrial Mollusks 

 from Haiti; with Description of a New 

 Species of Helix from Colorado. 



BY THOMAS BLAND. 

 Read March 8, 1875. 



Helix Jamaicensis, Chemn. (Thelidomns). 



This well known Jamaica species is given by v. Martens 

 (Albers, 2nd. ed., 147) as the type of the subgenus Liochila, 

 in which he also places II. picta, Born, and H. sid_phurosa, 

 Morelet, of Cuba. 



W. G. Biuney and myself have shown (Annals, X, 341, 

 pi. xvi, figs. 1, 2, 1873) that H. picla has the same form of 

 jaw and dentition as the Cuban H. muscarum, Lea (Amer. 

 Jour, of Conch., VI, 204, pi. 9, figs. 4 and 16), which v. 



