666 EXPLANATION^ OP THE PLATES. 



Pig. B. Cirolana tenuistylis, x 3. 5, lateral view of the body, 

 showing the form of the epimera, x 3 ; h', interantennal 

 plate. 



C. Cymodocea longistylis, adult c? , x 6. 



D. Cerceis Mdentata, var. aspericaudata, x5. d, anteimules 



and antennae. 



Plate XXXIV. 



Fig. A. Leucotkoe hrevidigitaia, X 4. a, terminal segment and 

 posterior uropoda ; a', part of the leg of the first pair, 

 showing the form of the distal process of the wrist-joint, 

 palm, and minute dactyl ; a", penult, joint and dactyl of 

 leg of the second pair. 



B. Megamcera thomsoni, x 5. 6, terminal segment ; 6', one of 



the legs of the first pair ; h", one of the legs of the second 

 pair. 



C. GapreUa attenuata, x 7. 



Plate XXXV. 



Fig. A. Achelia Icevis, var. avstraliensis, ventral view, x 30. 

 a, dorsal view of the body of the same species, X 30 ; 

 a', oculiferous tubercle. 



B. PhoaikMlidium hoekii, adult <S , ventral view, x 7. h, oral 

 aperture ; 6', lateral view of the oculiferous tubercle and 

 mandible ; 5", one of the ovigerous legs. 



ALCYONARIANS. 



Plate XXXVI. 

 Fig. A. Psammogorgia reetangularis, tip of pinnule, x 4 ; a & a', the 

 spicules, X 40. From type (dry) specimen from Port 

 Darwin, 12fms. 



B. EcMnomuricea indo-malaecensis, specimen in spirit, nat. 

 size. B'. Portion of branch of same, x 4. From Warrior 

 Eeef, Torres Straits. [Some specimelis have the branches 

 stouter and the ends more decidedly clavate.] 



