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EDWARD T. BROWNE. 
PLATE V. 
1.—Desmonema gaudichaudi. A tentacular and two rhopaliar lobes on the margin of the umbrella, 
showing the canal system in the lobes and the bases of the tentacles. Nat. size. 
2.—Desmonema chierchianum. A tentacular and two rhopaliar lobes on the margin of the umbrella, 
showing the canal system in the lobes and the bases of the tentacles. Nat. size. 
3.—Lucernaria vanhoeffent. The interior of the peduncle. x 2. ¢a., teniola with gastric fila- 
ments (/.) in the lower part of the stomach (st.), and terminating in bulbous enlargements ; 
ca., cavity of the peduncle in communication with the stomach ; %., blind branched canals from the 
cavity of the peduncle in the wall of the adhesive foot (ad. f.) ; ww., wall of the umbrella. 
4.—Lucernaria vanhoeffent. Tentacles with adhesive pads (ad.). x 16. 
5.—Lucernaria vanhoeffent. Portion of the genital bands, showing the elongated sacs containing 
gonads. xX 4. 
6.—Lucernaria vanhoeffent. Diagram of a longitudinal section through a genital sac. ov., ova or 
ovary ; gd., genital duct. 
PLATE VI. 
Diplulmaris antarctica. 
1.—Ephyra stage ; showing an early stage of the development of the canal system and the tentacles. 
Oral side. x 15. 
2,—Ephyra stage later than fig. 1, showing the circular canal and the commencement of the branching 
of the rhopaliar canals. Oral side. x 5. 
3.—Portion of the margin of the umbrella of an adult, showing the anastomosing of the canal system. 
Oral side. x 2. 
4,—Sense organ. Aboral view. x 11. 
5,—Sketch of a gonad lying on the sub-umbrella. Oral view. x 2. 
6.—Tentacle of an adult. Lateral view. x 3. 
PLATE VII. 
1.—Periphylla dodecabostrycha. Photograph of Dr. Wilson’s sepia drawing. Reduced nearly 
24 times. 
2.—Atolla wyvillit. Photograph to show the wide furrows round the margin of the central disc. 
About natural size. 
3.—Lucernaria vanhoefeni. Photograph showing a lateral view of the medusa. About natural size. 
4.—Lucernaria vanhoeffent. Photograph of a specimen cut longitudinally to show the interior of the 
umbrella and the stomach. Slightly larger than natural size. 
