62 EDWARD T. BROWNE. 



PLATE V. 



Fkj. 1. — Desmonfinn ffaufJifhaiidi. A tentacular and two rhop.il iar lobes on the margin of the umlirella, 

 showing the canal system in the IoIh's ami the Uiscs of the teuUicles. Nat. size. 



Fio. 2. — Desmonema chifrchianum. A tentacular and two rhoiwliar lobes on the margin of the umbrella, 

 showing the canal system in the lobes and the bases of the tentJides. Nat. size. 



Fig. 3. — Lweniaria vanhoeffeni. The interior of the peduncle, x -'. fa., taeniola with gastric fila- 

 ments (/.) in the lower part of the stomach («/.), and terminating in bull)0U8 enlan^'ements ; 

 ca., cavity of the peduncle in communication with the stomach ; k., blind branched canals from the 

 cavity of the peduncle in the wall of the adhesive foot {ml./.) ; inc., wall of the umbrella. 



Fig. I. — LiP-prnaria vanhoeffeni. Tentacles with adhesive pads (ad.), x 10. 



Fig. 5. — Luternaria vanhoeffeni. Portion of the genital bands, showing the elongated sacs containing 

 gonads, x 4. 



Fig. G. — Lucernaria vanhoeffeni. Diagram of a longitudinal section through a genital sac. ov., ova or 

 ovary ; gd., genital duct. 



PLATE VL 



Diphdmaris antarctica. 



Fig. 1. — Ephyra stage ; showing an early stage of the development of the canal system and the tentacles. 

 Oral side. X 15. 



Fig. 2. — Ephyra stage later than fig. 1, showing the circular canal and the commencement of the branching 

 of the rhopaliar canals. Oral side, x T). 



Fig. ;?. — Portion of the margin of the umbrella of an adult, showing the anastomosing of the canal system. 

 Oral side, x 2. 



Fig. 4. — Sense organ. Aboral view, x 11. 



Fig. ;'). — Sketch of a gonad lying on the sub-umbrella. Oral view, x 2. 



Fig. G. — Tentacle of an adult. Lateral view, x ;>. 



PLATE YIL 



Fig. I. —Prrip/i 1/11(1 dodecaboslryeha. Photograph of Dr. Wilson's sepia drawing. Reduced nearly 

 2^ times. 



Fig. •l.—Atolla wyciUii. Photograph to show the wide furrows round the margin of the central disc. 

 Alwut natural size. 



Fig. 3. — Lucernaria vanhoeffeni. Photograph showing a lateral view of the medusa. About natural size. 



Fig. \. — Lucernaria vanhoeffeni. Photograph of a specimen cut longitudinally to show the interior of the 

 umbrella and the stomach. Slightly larger than natural size. 



