142 



THE VOYAGE OF H.M.S. CHALLENGER. 



Survey of the Eighteen Deep-sea Medusae previously described, giving their 

 Habitat and Position in the System der Medusen. 



Genus and Species. Ocean. 



1. Thamnostylus dinema (PI. I.). Antarctic. Indian .... 



Order, Anthoniedusaa ; Family, Margelida3 ; Sub-family, Thanmostoniidre. 



2. Pfijchogena pinnulata (PI. II.). North Atlantic .... 



Order, Leptomedusaa ; Family, Cannotidie ; Sub-family, Polyorchidaa. 



3. Pedyllis aretiea (Pis. ILL, IV.). North Atlantic .... 



Order, Trachornedusae ; Family, Trachynemidas ; Sub-family, Pectyllidae. 



4. Pedis antaretiea (Pis. V., VI.). Antarctic. Indian 



Order, Trachomedusae ; Family, Trachyneniidae ; Sub-family, Pectyllida?. 



5. Peetanthis asteroides (Pis. VII., VIII.). Atlantic, Mediterranean 



Order, Trachomedusaa ; Family, Trachynemidas ; Sub-family, Pectyllidae. 



6. Cunarcha wginoides (PI. IX.). North Atlantic .... 



Order, Narcomedusaj ; Family, Cunanthidre ; Sub-family, Cunoctonidae. 



7. Polyeolpa forshalii (PI. X.). Pacific. Philippines .... 



Order, Narcomedusae ; Family, Peganthidae ; Sub-family, Polyxenidae. 



8. Pegantha pantheon (Pis. XL, XII.). Pacific. Philippines 



Order, Narcomedusae ; Family, Peganthidaj ; Sub-family, Pegasidaj. 



9. jEginura myosura (Pis. XIIL, XIV.). Indian. Australian . 



Order, Narcomedusa? ; Family, iEginidaj ; Sub-family, ^Eginuridae. 



10. Tesserantha connedens (PI. XV). Pacific. Chili .... 



Order, Stauromedusae ; Family, Tesseridaa ; Sub- family, Tesseranthidaa. 



11. Lucernaria lathy phila (Pis. XVI., XVII. ). North Atlantic . 



Order, Stauromedusae ; Family, Lucernaridas ; Sub-family, Haliclystidae. 



12. Periphylla mirdbilis (Pis. XVIII. -XXIII. ). Pacific. New Zealand 



Order, Peromedusae ; Family, Periphyllidas ; Sub-family, Periphemidae. 



13. Periphema regina (Pis. XXIV., XXV.). Antarctic. Indian . 



Order, Peromedusae ; Family, Periphyllidaa ; Sub-family, Periphemidfe. 



14. Charybdea murrayamt (PI. XXVI.). Atlantic. Guinea . 



Order, Cubomedusag ; Family, Charybdeidw ; Sub-family, Tamoyidas. 



15. Navphanta challengeri (Pis. XXVIL, XXVIIL). South Atlantic . 



Order, Discomedusas ; Family, Ephyridae ; Sub-family, Nausithoidae. 



16. Atolla wyvillii (PI. XXIX.). Antarctic, Indian ; and Antarctic, Atlantic . ■< 



Order, Discomedusaj ; Family, Ephyridas ; Sub-family, Collaspidae. 



17. Drymcmema vidoria (Pis. XXX., XXXI. ). Atlantic, Mediterranean 



Order, Discomedusa? ; Family, Cyaneidro ; Sub-family, Drymonemidas. 



18. Leunura terminalis (PL XXX II.). Pacific. Chili ..... 



Order, Discomedusae ; Family, Crambessida; ; Sub-family, Leptobrachidae. 



153 



50 

 50 

 152 

 0)4 

 354 

 201 

 201 

 159 

 299 



168 



156 



348 



335 



157 

 318 



(?)4 



299 



- S 



Habitat. 



Latitude. Longitude. 



120 

 1250 

 1250 

 1260 



600 



1675 



82 



82 



2150 



2160 



540 

 1100 

 1975 



200 



1425 



1950 

 2040 



600 



2160 



65 42 S. 

 42 8 N. 

 42 8 N. 

 60 52 S. 

 36 25 N. 



32 41 N. 

 7 3 N. 

 7 3 N. 



47 25 S. 



33 31 S. 

 60 3 N. 

 40 28 S. 

 62 26 S. 



3 10 N. 



32 24 S. 



53 55 S. 

 42 32 S. 



36 25 N. 



33 31 S. 



70 49 E. 



63 39 W. 



63 39 W. 



80 20 E. 

 8 12 W. 



36 6W. 

 121 48 E. 

 121 48 E. 

 130 32 E. 



74 43 W. 



5 51 W. 



177 43 E. 



95 44 E. 



14 51 W. 



13 5W. 



108 35 E. 

 56 27 W. 



8 12W. 



74 43 W. 



