ASCIDIANS OF THE PHILIPPINES — VAN NAME. 51 



by the present writer (when different from the original) are given 

 in the second column. 



Polycarpa pedata (Pandocia pedata). 



Polycarpa irregularis (Pandocia irregularis). 



Synstyela incrustans (Diandrocarpa monocarpa, var. 



philippinensis) . 

 Botrylloides tyreum (syn. B. purpureum). 

 Botrylloides perspicuum. 

 Botrylloides perspicuum, var. rubicundeum. 

 Cystodytes philippinensis. 



Distaplia vallii (Holozoa vallii). 



Colclla thompsoni (Nephtheis thompsoni). 



Leptoclinum moseleyi (Didemnum moseleyi). 



Leptoclinum albidum, var. grande (Didemnum grande). 



Aplidium fumigatum. 



Traustedt (1885) in listing the simple ascidians of the Pacific 

 Ocean again records from the Philippines on Herdman's authority: 



Polycarpa irregularis (Pandocia irregularis) . 



Polycarpa pedata (Pandocia pedata). 



Herdman (1891) in his Revised Classification of the Tunicata 

 again lists the forms collected by the Challenger Expedition. 



The Siboga Expedition, though its collecting was mainly done in 

 the Dutch possessions, extended its operations into the extreme 

 southern part of the Philippine region and added a large number of 

 species to the list. These were described by Sluiter in volumes 56a 

 (1904) and 566 (1909) of the report of that expedition. The species 

 recorded are as follows: 



In volume 56a (1901) : 



Halocynthia jacatrensis (Sluiter), 1900 (Pyura jacatrensis) . 



Culeolus thysanotus, new species. 



Styela procera Sluiter, 1SS5 (Pandocia procera). 



Stycla thelyphanes, new species (Pandocia thclyphanes). 



Styela circumarata, new spee'es (Pandocia circumarata) . 



Botrylloides perspicuum Herdman, 1886. 

 Chelyosoma sibogae, new species. 



Ascidia kreagra Sluiter, 1895 (Phallusia kreagra). 



Ascidia melanostoma Sluiter, 1885 (Phallusia melanostoma) . 



Ecteinascidia diaphanis Sluiter, 1885. 

 Ecteinascidia garstangi Sluiter, 1S87. 



In volume 565 (1909) : 



Polycitor discolor, new species. 



Cystodites rufus, new species. 



Cystodites semicataphr actus, new species. 



Sycoza sedens, new species (Polycitor sedens). 



Trididemnum granosum, new species. 

 Didemnum moseleyi (Herdman), 1886. 

 Didemnum digestum, new species. 



