187 



SucciNEA PRocERA. Testa magna, elongata, lanceolala, fulvo- 

 cornea, slriis incrementalibus crassis rugosa : spira acuta, anfr. 3 

 perobliquis convexiusculis composita, partem longiti.idinis fere 

 dimidiam agquans : apertura ovato-oblongata ; labro postice de- 

 currente ; columella arcuata, sub-incrassata. Long, frj, lat. ^^ 

 poll. Hab. Eimeo. 



A large, remarkably slender species, of coarse exterior, allied 

 to S. infundibuUformis, and much resembling Limnea umbrosa 

 in form. 



SucciNEA RUSTicANA. Testa elongata, ovato-conica, tenuis, 

 pallide virens, impolita, lineis incrementalibus inequalibus et cras- 

 sis striata, subtus convexa : spira acuta, anfr. 3 convexiusculis : 

 apertura ovata, quadrantes tres longitudinis adequans ; columella 

 arcuata, perspicue plicata. Long. ^, lat. ^ poll. Hab. Oregon. 



Dr. Cabot presented and described a specimen of Py- 

 ranga. 



P. ROSEo-GULARis. Cabot. Male, top of head, outer edge of 

 primaries and secondaries, and surface of greater and lesser 

 wing coverts, the tail and its upper coverts, bright brownish-red. 

 Under side of tail and its under coverts, throat and flexures of 

 wings, bright rose-color. Back and posterior part of cheeks 

 dark brownish ash-color ; anterior part of cheeks, breast, and 

 belly, bright ash-colored. Twelve tail feathers. Bill strongly 

 toothed, horn-color at top, lighter beneath. Legs and feet horn- 

 colored. Total length 6|- inches ; of bill f inch ; along the 

 ridge f ; along the gape ■f'-^ of an inch ; across at base |- through 

 from above down. Tooth situated at ^ inch from point of bill. 

 Tarsus rather more than f inch in length. Tail 2f inches long. 

 Wing from flexure 3^ inches. 



Shot on the road from Chemax to Yalahao, Yucatan, April, 

 1845. 



Prof. Agassiz made some remarks upon the Moose and 

 Caribou ( Cervus alces and tarandus, auct.) 



These species were usually supposed common to this country 

 and Europe, but were in fact both different from the analogous 

 species of the old world. He indicated some of the points of 



