LIST OF CONTRIBUTORS. 113 



LeSueur, Charlks A. Continued. 



Description of several new species of the genus Esox of 



North America. J i. 413 



Description of a new genus, and of several new species of 



fresh water iish. indigenous to the United States. J ii, 2 



— Description of two new species of Exoeetus. J ii, 8 



— Descriptions of several new species of cuttlefish. J ii, 86 



— Observations on several genera and species of fish belong- 

 ing to the natural family of the E.soces. J ii, 124 



— Descriptions of the five new species of the genus Cichla of 



Cuvier. J ii, 214 



— Descriptions of three new species of the genus Seisena. J ii, 251 



— On the Onykia angulata. J ii, 296 



— Description of a Squalus of a very large size, which was 

 taken on the coast of New Jersey. J ii, 343 



— Description of several new species of Ascidia. J iii, 2 



— ■ Description of a new species of cephalopode of the genus 



Loligo. J iii, 282 



— On three new species of parasitic Vermes, belonging to the 

 Linmean genus LernaBa. J iii, 286 



— Description of two new species of the genus Batrachoid of 



Lacepede. J iii, 395 



— Description of several species of the LinnaBan genus Raia 

 of North America. J iv, 100 



— Description of several new species of Holothuria. J iv, 155 



— Description of two new species of the Linngean genus Blen- 



nius. J iv, 361 



— Description of a new fish of the genus Salmo. J v, 48 



— Descriptions of four new 7 species of Murasnophis. J v, 107 

 — ■ Description of a new species of the genus Saurus (Cuvier) 



J v, 118 

 Letson. E. J. Description of a new Tethys (Aplysia). P '98, 193 

 Levis, R. J. On specimens of embolism. P '69, Biol. 3 

 Lewis, F. W. Notes on new and rare species of Diatomaceae of 



the United States seaboard. P '61, 61 

 On some new and singular intermediate forms of Dia- 



tomaceae. P '63, 336 



On extreme and exceptional variation of diatoms, in some 



White Mountain localities. P '65, 7 

 Lewis. Graceanna. Nest of Chretura pelasgia. P '82, 216 

 On the genus Hyliota. P '83, 128 



