26 The Philippine Journal of Science 1921 
not only a rich but a very characteristic rhizostomid fauna. 
There ig no doubt in my mind that more systematic collections 
with the proper facilities will increase very considerably not only 
the total of species but the number of new species from the 
Archipelago. 
The list of species and varieties known from the Philippines, 
with notes on distribution, follows. Names and dates in paren- 
theses refer to the recorders and the dates of publication. 
Order CARYBDEIDAS 
1, Carybdea rastonii Haacke. 
Luzon and Mindoro (Mayer, 1910 and 1915). 
2. Carybdea alata var. grandis Agassiz and Mayer. 
Manila Bay (Mayer, 1915). 
Carybdea alata var. moseri Mayer is probably an immature form of 
C. alata var. grandis as is C. philippina Semper, 1860 (Semper, 1860). 
8. Chiropsalmus quadrigatus Haeckel. 
Common except in inclosed bays such as Manila Bay (Mayer, 1910 
and 1915; Light, 1914). 
Order CORONATA® 
4. Periphylla hyacinthina Steenstrup. 
Common pelagic form in deeper waters (Mayer 1910, 1915). 
5. Linuche unguiculata (Schwartz) var. aquila Mayer. 
Mactan, Cebu (Mayer, 1910 and 1915). 
6. Atolla bairdii Fewkes forma wyvillei Haeckel. ‘3 
Common pelagic form in deeper waters (Mayer, 1910 and 1915). 
7. Atolla bairdii Fewkes forma gigantea Maas. 
(Mayer, 1915). 
8. Atolla bairdii Fewkes forma valdivie Vanhoffen. 
Sogod Bay (Mayer, 1910 and 1915). 
Order SEM OSTOM4® 
9. Pelagia panopyra Péron and Lesueur. (Mayer, 1915). 
Pelagia panopyra var. placenta (Haeckel) (Mayer, 1910). 
Common pelagic form in deeper waters (Mayer, 1910 and 1915). 
10. Chrysaora melanaster Brandt. 
San Miguel Bay (Mayer, 1915). 
11. Dactylometra africana Vanhiffen. 
Off Corregidor Light, Manila Bay (Mayer, 1915). 
12. Dactylometra quinquecirrha L. Agassiz. 
Chrysaora stage very common in Manila Bay (Light, 1914). 
18. Sanderia malayensis Gdtte. 
Common pelagic form in deeper waters (Mayer, 1910 and 1915). 
14. Discomedusa philippina Mayer. 
_Catingan Bay (Mayer, 1910 and 1915). 
15. Aurellia aurita Lamarck. 
(Mayer, 1915). 
