ILLUSTRATIONS XXXlll 



FIGURE PAGE 



670. A Millepore (Millcpora alciconiis). From A. Agassiz 226 



671. A Solitary Coral (Flahdlum alabaslrum) dredged by the " Challenger " off 



the Azores in 6,000 feet of water. From the "Challenger" Reports. . . 226 



672. Another Solitary Coral {Flahcllum angularc) dredged by the "Chal- 

 lenger" off Nova Scotia in 7,500 feet of water. From the "Challenger" 

 Reports 226 



673. The same, seen from above. From the "Challenger" Reports 226 



674. A. hra.nch.\ng ComX {Madrcpora prol if era). P^om A. Agassiz 226 



675. A Hydroid {Hippurella annnlala). From A. Agassiz, after Fewkes. . . . 230 



676. An Antipatharian {Antipathes columnaris). From A. Agassiz, after 

 Pourtales 230 



677. A small portion of another kind of .\ntipatharian {Antipathes spiralis). 

 From A. Agassiz, after Pourtales 230 



678. A common Sea Fan {Rhipidogorgia flabellum). From A. Agassiz 230 



679. A deep sea Sea-anemone {Actinauge nodosa). From A. Agassiz, after 

 Verrill 230 



680. A Pennatulid, or Sea Pen (Anthoptilum thomsoni). From A. Agassiz, 

 after Kolliker 234 



681. Another Sea Pen {PoDiatula acitlcata). From A. Agassiz, after Koren 



and Danielssen 234 



682. Three Sea-anemones from deep water {Sagartia abyssicola) seated on the 

 tube of an annelid or jointed worm, the head of which may be seen pro- 

 truding. From A. Agassiz, after Verrill 234 



683. A curious Jelly-fish {Vclc.lla miilica). From A. Agassiz 234 



684. An Umbellularian {U mb ell ul aria giiiilhcri). From A. Agassiz 234 



685. The cluster of polyps of a much larger Umbellularian from the Kara Sea. 

 From Nordenskjold 234 



686. A Hydroid {Cladocarpus paradisea). From A. Agassiz 238 



687. A Hydroid {Slreptocaulas pulcher). From A. Agassiz 238 



688. x'\ curious deep water Sponge {Chondrocladia virgata). From Wyville 

 Thomson 238 



689. A Beaker Sponge from the Arctic Ocean off the mouth of the Kolyma 

 river, Siberia. From Nordenskjold 238 



690. Another of the same. From Nordenskjold 238 



691. A very queer Sponge {Amphilectus challengeri) dredged by the "Chal- 

 lenger" in 4,950 feet of water. From the "Challenger" Reports 238 



692. .\ Siphonophore {Agalma elegans). From A. Agassiz, after Fewkes.. . . 238 



693. A deep water Sponge (Hyalonema) from off Japan. From A. Agassiz.. 238 



694. Another Glass Sponge {Regadella phoenix) from deep water in the West 

 Indies. From A. Agassiz 2 38 



695. A giant Venus' Flower Basket Sponge from deep water in the West Indies 

 {EuplcclcUa jovis). From A. Agassiz 238 



696. A curious Sponge {Cladorhiza concrescens) from deep water in the West 

 Indies. From A. Agassiz 240 



697. A deep water Sponge {Iloltcnia pourtalesii) from the Straits of Florida. 

 From A. Agassiz 240 



698. A Phoronid {Phoronis hippocrepia). From Allman 240 



