No, 2. — Some Medusce from the Tortugas, Florida. By Alfred 



GOLDSBOEOUGH MaYER. 



TABLE OF CONTENTS. 



Alphabetical List of Species de- 

 scribed 13 



Introduction 15 



Comparison of the Tortugas Fauna 

 with that of the Soutliern Coast 



of New England 17 



Comparison of the Tortugas Fauna 

 with that of the Tropical 



Atlantic 19 



Comparison of the Bahama-Tor- 

 tugas Fauna with that of the Fiji 

 Islands and Tropical Pacific . 24 



Table showing the Wide Geo- 

 graphical Range of some Tor- 

 tugas Medusae 26 



Morphology of Tortugas Medusa; 27 



Summary of Results 27 



Descriptions of Species 28 



I. Hydromedusa; 28 



II. Scyphomedusae (37 



III. Siphonophorae 71 



IV. Ctenophorffi 81 



ALPHABETICAL LIST OF SPECIES DESCRIBED. 



L HYDROMEDUSiE. 



PAGE 



./Eginella dissonema, Haeckel 66 



./Equorea floridana = Rhegmatodes floridanus, L. Agassiz 61 



Aglaura hemistoma, Peron and Lesueur 65 



Aglaura hemistoma, var. Nausicaa, Haeckel 65 



Bougainvillia frondosa, nov. sp 41 



Bougainvillia niobe, Mayer 42 



Cunoctantha incisa, nov. sp 66 



Cytaeis gracilis, nov. sp 39 



Dinema floridana, nov. sp 30 



Dinema jeffersoni, nov. sp 30 



Dipurena fragilis, nov. sp 28 



Dipurena picta, nov. sp 29 



Dissonema turrida, nov. sp 44 



Dyscannota gemmifera = Willia gemmifera, Fewkes 47 



Dysmorphosa dubia, nov. sp , 40 



Dysmorphosa niinuta, nov. sp 41 



Ectopleura minerva, nov. sp 31 



Epenthesis folleata, McCrady 52 



Eucheilota bermudensis = Oceanopsis bermudensis, Fewkes 56 



Eucheilota paradoxica, nov. sp 5fi 



Eucheilota ventricularis, McCrady S.^S 



Eucopium parvigastrum, nov. sp 52 



VOL. XXXVII. — No. 2. 1 



