INDEX. 



The names of the Genera and Species described in this work are printed in the 

 ordinary type. The synonyms of both Genera and Species are printed in 

 italics. 



Alcyoncellum, 4 

 Alcyonium cydonium, 45 

 ly murium, 92 

 Auliskia, 15 



Calcarea, 1 

 Chalina, 13 



cervicornis, 361 

 Flemingii, 370 

 gracilenta, 372 

 Grantii, 375 

 limbata, 373 

 Montaguii, 3GG 

 oculatn, 361 

 seriata, 376 

 Ciocalypta, 5 



penicillus, 81 

 Cliona, 212 



Aided, 212 

 celata, 212 

 corallinoides, 212 

 Gorgonid.es, 212 

 gracilis, 212 

 Homsei, 212 

 lobata, 212 

 Northumbrica, 212 

 vastifica, 212 

 Cydonium Mulleri, 45 



Dactylocalyx, 11 



Desmacidon, 10 



segagropila, 352 

 constrictus, 350 

 fruticosa, 345 

 Jeffreysii, 347 

 Peachii, 349 



Dictyocyliudrns, 6 



aculeatus, 109 



Dictyocylindrus fascicularis, 110 

 hispidus, 108 

 Howsei, 106 

 pumilus, 114 

 radiosus, 105 

 ramosus, 103 

 rugosus, 119 

 stuposus, 116 

 ventilabrum, 100 

 virgultosus, 113 



Dipludemia, 11 



vesicula, 357 



Dysidea, 16 



fragilis, 381 

 papUlosa, 3S4 



Ecionemia, 4 



compressa, 55 

 ponderosa, 56 



Ephydatia canalium, 342 



Eupleclella, 4 



Farrea, 12 



Geodia, 3 



Zetlandica, 45 

 Grantia, 1 



botryoides, 28 



ciliata, 19 



compressa^ 17 



coriacea, 34 



ensata, 25 



fistulosa, 39 



lacunosa, 32 



nivea, 36 



pulverulenta, ] 9 



tessellata, 26 



25 



