i\Ir. H. J. Carter on new species o/(Eilogonium. 29 



When dried, one of my specimens shrivelled up and turned 

 brown, in which state it certaiidy nearly resembled that jrenus. 

 Krohn has fully described the animal of his Echinoxpira diap/taiia 

 in the 'Archiv fiir Naturgescliichte' for 1855, but I am unable 

 to give any account of his communication. There is a genus of 

 plants called Brownia, but I have no means of ascertaining the 

 prioiity. 



Brownia carinata, A. Adams. 



B. testa compressa, discoidea, cartilaginosa, tenui, pelliicida, anfrac- 

 til)us vix 3, carinis tribus acutis proniinentibus ciugulatis ; spira 

 plaiio-concava ; apertura rhoniboidca ; peristomate tenui, acuto, 

 autice valde producto, latcraliter carinato. 

 Hub. China Sea ; taken in the towing-net. 



Brownia angulata, A. Adams. 



B. testa discoidea, ventricosula, cartilaginosa, diaphana, tenui, anfracti- 

 bus vix 3, angulis tribus subacutis ciugulatis ; spira plauo-convexa ; 

 apertura rhomboidea ; peristomate tenui, acuto, antice producto, 

 lateralitcr angulato. 

 Hah. China Sea ; taken in the towing-net. 



IV. — On Specific Character, Fecundation, and Abnormal Deve- 

 lopment in OEdogoniura. By H. J. Carter^ Esq., Assistant 

 Surgeon H.C.S. Bombay. 



[With a Plate.] 



The object of the following observations is to point out means 

 by which it is hoped the species of (Edogonium may be better 

 distinguished ; to confirm Prof. Pringsheim's discovery of the 

 mode of impregnation in this genus; and to figure and describe 

 an abnormal growth which takes place from the 'resting-spore.' 



Having in vain tried to find out the species of CEdogonium 

 which I have had under observation, among those which have 

 been already published, whether from the meagreness of the 

 descriptions and illustrations, or from their havmg actually been 

 undescribed, while other characters than those already noticed 

 have presented themselves to me, which are evidently more 

 valuable for specific distinction, I have been induced not only to 

 describe, but also to name, those which I have been studying; 

 for whether or not described before, those descriptions and 

 names alone will hereafter be i'ound useful which serve for their 

 identification. 



The characters to which I allude are sexual, and therefore can 



