REPORT ON PHILIPPINE HYDROIDA 199 



Lafoeidae. 



* Acryptolaria normani. 



Acryptolaria pulchella. 



Zygophylax rufa. 



Zygophylax convallaria. 



Zygophylax curvitheca. 

 Sertularidae. 



Sertularia diver gens. 



Thuiaria qtiadridens. 



*Dictyocladium abcrrans. 



Sertularclla cornuta. 



fSertularella mira bilis. 



Sertularella philippinensis. 



I dia pristis. 



Diphasio digitalis. 



tDiphasia huerteli. 



*Diphasia inornata. 



Pasyihea quadridentata. 

 Synthecidae. 



Synthecium tubithecum. 

 Plumularidae. 



Eleutheroplean forms — 

 Plumularia buskii. 

 ^Plumularia aglaophenoides. 

 *Plumularia flabellata. 



* Plumularia hargitti. 

 Plumularia dendritica. 

 *Plumularia camarata. 

 * Antennella biarmata. 

 *Antennella recta. 

 Nemertesia cylindrica. 

 *Antennopsis paciflca. 

 ■fAcanthella effusa. 

 **8techowia armata. 



Statoplean forms : 



Aglaophenia macgillivrayi. 

 Aglaophenia calycifera. 

 Aglaophenia urens. 

 Aglaophenia divaricata. 



* Aglaophenia triramosa. 

 Lytocarpus phoeniceus. 

 Lytocarpus spectabilis. 

 Lytocarpus pennarius. 

 Lytocarpus philippinus. 

 Lytocarpus balei. 

 *Thecocarpus balei. 

 Halicornaria Mans. 



* Halicornaria tenuirostris. 



* Halicornaria magnirostris. 



This table indicates that the specimens of hydroids in this col- 

 lection represents 10 families, 27 genera, and 54 species. It includes 

 1 new genus, 17 new species, and 4 gonosomes not hitherto described 



