XXXIV ILLUSTRATIONS 



riGtJRE PAGE 



699. A Rhabdosphere from the surface of the ocean. From the " Challenger" 

 Reports 246 



700. Another of the same. From the "Challenger" Reports 246 



701. A Vyxocyst {Pyrocystis noctiliica). From the " Challenger " Reports. . . 246 



702. The same. From the " Challenger" Reports 246 



703. The same. From the " Challenger" Reports 246 



704. A Noctiluca. From A. Agassiz 246 



705. A Foraminiferan {Biloculina ringens). From A. Agassiz, after Goes.. . 246 



706. Another view of the same. From A. Agassiz, after Goes 246 



707. A Coccosphere. From A. Agassiz, after the "Challenger" Reports.. . . 246 



708. A bundle of the little plants {Trichodcsmium erythraeum) from which the 

 Red Sea gets its name; they are common in many places, but not always 



red. From A. Agassiz 246 



709. A Foraminiferan {Biloculina tenera). From A. Agassiz, after Schultze. 250 



710. A Foraminiferan {Astrorhiza limicola). From A. Agassiz, after Brady. 250 



711. A Foraminiferan {Orbiculina adunca). From A. Agassiz, after Brady.. 250 



712. The same, young. From A. Agassiz, after Brady 250 



713. A Foraminiferan {Thaurammina papillala). From A. Agassiz, after 

 Brady 250 



714. A FoTSLminUeran (Corniispirafoliacea). From A. Agassiz, after Goes. . 250 



715. A Foraminiferan {Amniodiscus tenuis). From A. Agassiz, after Brady. 250 



716. A¥oTdiXmn\{txa.r\ {Textularia sagithda). From A. Agassiz, after Goes. . 250 



717. A Foraminiferan {Cydammina cancellata). From A. Agassiz, after 

 Brady 250 



718. The same in section. From A. Agassiz, after Brady 250 



719-727. A Trypanosome {Trypanosoma congolense); a culture from the in- 

 testine of a tsetse fly {Glossina palpalis, fig. 323). From Hindle, after 

 Roubaud 250 



728-736. Another kind of Trypanosome {Trypanosoma pecaudi); a culture 

 from a tsetse fly {Glossina palpalis, fig. 323). From Hindle, after 

 Roubaud 250 



737-740. A flagellate Infusorian {H er pdomonas callipJiorac) found in the 

 blow-fly {Calliphora vomitoria, fig. 263); the preflagellate form, and a 

 transition stage (top) toward the formation of a full grown Herpetomo- 

 nas). From Graham-Smith 250 



