SPONGES. 



235 



-' 



*A.? magnifica U. & E 



*A. marnillata U. & E..... 

 *A. parvistellata U. & E. 



*A. obliqua U. & E 



*A. scutula U. & E... 



ZlTTELELLA U. & E., 1889. 



*Z. inosculata U. & E 



*Z. lobata U. & E 



*Z. trentonensis Wort hen, sp 



*Z. typicalis *7. < JE 



*Z. typicalis var. pistilliformis U. & E. 

 *Z. typicalis Far. subrotunda Z7. & E .. 

 *Z. typicalis var. turbinata U. & E 



EDRIOSPONGIA U. & E., 1889. 

 'E. basalis U. & E... 



STREPTOSOLEN U. & E., 1889. 

 *S. obconicus U. & E... 



SYRINGOPHYLLUM Ulricb, 1889. 

 S. wort herd Ulrich.. 



CLIMACOSPONGIA Hinde, 1883 

 * C. radialis Hinde... 



CALATHIOI Billings, 18651. 



C. affine Billings 



C. anstedi Billings 



C. ?canadense Billings 



C. fittoni Billings 



C. formosum Billings 



C. pannosum Billings 



C. paradoxicum Billings 



*C. ??infelix U. & E .. 



t Only the doubtful species of this genus belong to this family. The typical species 

 probably belong with the Hexactinellida. 



