FjXplanaliun of the Vlatcs. 6/ 



NOCTICULA. 



PiATE \. Fiij. 1. a, Nocticula Banksii of its natural size. Fij^. 1. b, magni- 

 fied; 1/, feet; 2/, supposed male organs ; 3/, sub-abdominal tins ; e, eye; 

 a 1, inner pair of antenna:; a 2, outer pair of atitenuie ; .$, anterior scales. 

 Fig. 1. c. Tail more magnified. 

 Fig;. 2. Luminous Shrimp, after the figure in the Fhilos. Transactions. 



CYNTHIA. 



Plate VI. Fi^. 1 a, Cynthia magnified Fig. J b, its natural size. 



Fig. 2. Anterior parts of the same more magnified ; c, corselet; e, eye; 1 a, 

 superior anie.uua; ; b, analogue of the brush in the male Mvsis ; 2 a, lower 

 anteunsE ; s, anterior scales. 



Fig. 3. Tail of the same still more highly magnified. 



Fig. 4, a, b, the two extreme joints of one of the Palpi. 



Fig. 5. One of the inferior autennffi ; a, its pluri-articulate seta ; *, its 

 ciliated scale. 



Fig. 6. Inner branch of the anterior thoracic member. 



Fi^. 7. Second Alember; a, inner division ; b, outer natatory division ; §■, 

 brancliia; x, point of attacliment to the animal. 



Fig. 8. One of the six posterior members ; a, inner division ; b, natatory 

 division ; g, branchia ; x , point of attachment. 



Fig. 9. a, One of the second pair of the sub-abdominal fius ; x , point of 

 attachment; the third, fourth, and fifth are similar. 



Fig. 9. b, One of the first pair of the sub-abdomiual fins. 



Fig. 10. One of the scales situated between the hindermost pair of thoracic 

 members. 



LUCIFER AND PODOPSIS. 



Plate VII. Fig. 1. Podopsis, magnified, and of its natural size; 3/, sul)- 

 abdominal fius ; a 2, anterior nieml)er3 ; p, probably palpi ; a, supposed 

 rudiments of the superior auteuns ; a I, inferior antennae ; *. ciliated scale ; 

 e, eye. 



Fig. 2. Lucifer mngnified, and of its natural size ; 1 c, anterior part of the 

 corselet; 2 c, posterior part ot the corselet ; / 1, ciliated members ; ^ 3, sub- 

 abdominal fins; a 1, superior antennce ; « 2, inferior antennae; s, ciliated 

 scales ; e eye ; t, tail. 

 Plate Vlll. Fig. L The Zoea of the common crab, (Cancer paguru5,j 

 magnified. Near the letter /'it is represented of its natutal size ; a, antenna; > 

 /, feet ; £, one of the lateral spines. 



Fig. 2. Sapphirina ; a, natural size ; b, magnified, from above ; c, magni- 

 fied, from beneath ; x , trifid anterior members. 

 Fig. 3. Pyrosoma jjygmsea. 



