206 



THE AMERICAN MONTHLY 



[November, 



di/iding to form two pedicels, each five 

 to six times a single body in length ; 

 both of these pedicels also foikinj to 

 produce the four secondary pedicels 

 supporting the zooicls, and four to five 

 times the length of one of the latter. 

 Height of ihe bodies 24^0" to o7,Vio- 

 inch. 'i'otal length of the branching 

 foot-stalk twelve to fourteen times that 



C. longipes, n. sp. — Bodies gibbous- 

 ly and shortly ovate, stationed singly 

 on the extremity of a short, independ- 

 ent, secondary pedicel terminating a 

 slender and extremely long primary 

 foot-stalk, eighteen or twenty times 

 the length of the body of a single 

 zooid whose height is once and one- 

 half to twice the width. Contractile 



Fig. 39. — CoDOsir.A dichotoma. 



Fig. 40. — CoDosiGA i.ongipes. 



o/a single body. Habitat. — Fresh 



vater, on MyriophyUum. 

 In the only colony of the species 



.'een (Fig. 39J the zooids were attached 



)ingly to the secondary pedicels and 

 were four in number, while the whole 

 foot-stalk was evenly and beautifully 

 dicholomous. 



vesicles two, as usual ; pulsating once 

 in twenty seconds. Habitat. — Fresh 

 water, on Alyriophyllum. 



Noticeable on account of the great 

 length of the primary pedicel, only a 

 part of which is represented in fig. 40, 

 the omitted portion being replaced 

 by an interrupted line. If delineated 



