JUL 21 1900 



No. 2. — Some Meduscc from the Tortugas^ Florida. By Alfred 



GOLDSBOROUGH MaYER. 



TABLE OF CONTENTS. 



Alphabetical List of Species de- 

 scribed 13 



Introduction 15 



Comparison of tiie Tortugas Fauna 

 with that of the Southern 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 2G 



Morphology of Tortugas Medusa3 27 



Summary of Results 27 



Descriptions of Species 28 



I. Hydromedusse 28 



II. Scyphomedusffi G7 



III. Siphonophorae 71 



IV. Ctenophorae 81 



ALPHABETICAL LIST OF SPECIES DESCRIBED. 



I. HYDROMEDUS^. 



FAOE 



.^ginella dissonema, Haeckel 60 



.^quorea floridana = Rhegmatodes floridanus, L. Agassiz 61 



Aglaura hemistoma, Feron and Lesueur 65 



Aglaura hemistoma, var. Nausicaa, Haeckel 65 



Bougainvillia frondosa, nov. sp 41 



Bougainvillia niobe, Mayer 42 



Cunoctantha incisa, nov. sp 06 



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 gemniifera, Fewkes 47 



Dysmorphosa dubia, nov. sp 40 



Dysmorphosa minuta, nov. sp 41 



Ectopleura minerva, nov. sp 31 



Epenthesis folleata, McCrady . 52 



Eucheilota bermudensis = Oceanopsis berraudensis, Fewkes 56 



Eucheilota paradoxica, nov. sp 56 



Eucheilota ventricularis, McCrady 55 



Eucopium parvigastrum, nov. sp 52 



VOL. XXXVII. — No. 2. 1 



