PLATE VII. 



Page 

 Fig. 1. PAGTTBUS BEENHAEDUS 359 



Fig. 2. PAL^EMON SEEEATFS 365 



Fig. 3. MAIA SQTJINADO 382 



The smaller figures exhibit its larva condi- 

 tion (not specially described in the text). 



Fig. 4. CAECHOJS M.a3$As. a, b. Successive forms of its 



metamorphosis 346 



Fig. 5. BALANITS. a. Male. b. Larva 393 



Fig. 6. LEPAS. a, b. Stages of its metamorphosis . . 395 



Fig. 7. LAGUNCULA EEPENS 412 



Fig. 8. FLTJSTEA HISPIDA 422 



Fig. 9. ALCYONIDITTM GELATINOSUM 427 



Fig. 10. BTJGULA AVICULAEIA 



The three smaller figures exhibit the 

 " Bird's-heads " in different states of expan- 

 sion . . 437 



