PLATE III. 



Fig. I. SicyoncUa antennata n. sp. (Continued). 



Fig. \a. Anterior part of an adult male, from above; X 7- 



Fig. \b. Anterior right part of carapace with eye, antennula and squama of an adult female, from Stat. 258, 



from above; X 9- 

 Fig. I c. Ex'opod of left uropod of a male ; X scarcely 7. 

 Fig. \d. Left petasma, from behind; X 20. a. pars astringens; lam. lamina externa, and ///. processus 



uncifer, of pars externa. 

 Fig. \e. Distal half of pars media of the same petasma, from behind; X 3S. la. lobus armatus; Ic. lobus 



connectens; ? //, probably lobus inermis; //. lobus terminalis; lac. lobus accessorius; /z;. processus 



ventralis, cleft into two main branches. 

 Fig. if. Same distal half of pars media of the petasma, from in front; X 38. The lettering as in fig. \e. 



Fig. 2. Acetes vulgaris n. sp. 



Fig. 2a. Anterior part of a male, from above; X 'Vj- 



Fig. lb. Anterior right part of carapace with eye, antennula and squama of an adult female from the Gulf 



of Siam, from above; X "/ 



Fig. 2c. Front end of the carapace of a female, from the left side; X 17. 



Fig. 2d. Proximal part of left lower antennular flagellum of a male, from the outer side; X 33- 



Fig. 2e. Left mandible of a male, from below; X 14- 



Fig. 2/. Left maxillula of the same male, from below; X 14. 



Fig. 2g. Left maxilla of the same male, from below; X I4- p- palp. 



Fig. 2J1. Left first maxilliped of the same male, from below; X H- ^P- epipod; ex. exopod. 



Fig. 2 2. Left second maxilliped of the same male, from behind; X 14. br. branchia; ep. epipod. 



Fig. 2k. Distal part of left third maxilliped of the same male; X 23. 



Fig. 2/. Distal part of left first thoracic leg of the same male; X 23. 



Fig. 2m. Left uropod of a male, from the outer side; X 7- 



Fig. 2«. Posterior part of thorax of a male, from below; X ii- /•' third thoracic leg; gc. genital coxk. 



Fig. 20. Posterior part of thorax of a female, from below; >: 11. s."^ fourth (penultimate) thoracic segment; 



sJ' fifth (last) thoracic segment. 

 Fig. 2p. Left petasma, from behind; X 22. a. pars astringens; e. pars externa. 

 Fig. 2q. Distal portion of pars media of the same petasma, from behind; >; 51. c. capitulum ; /p. processus 



ventralis. 

 Fig. 2r. Distal portion of pars media of the same petasma, from in front; X Si- c. capitulum; pv. processus 



ventralis. 



Fig. 3. Acetes sp. 

 Fig. 3a. Distal portion of pars media of left petasma of a male from Stat. 47, from in front; X 44- 



Fig. 4. Acetes Sibogcc n. sp. 



Fig. 4«. Anterior part of the carapace with right eye, antennula and squama of a male, from above; X 9. 

 Fig. \b. End of third peduncular joint of left antennula with lower flagellum and the proximal part of 



upper flagellum of a male, from the outer side; X 38. 

 Fig. OfC. Exopod of left uropod of a male; X H- 

 Fig. \d. Posterior part of thorax of a male, from below; X I3- 

 Fig. 4^. Posterior part of thorax of a female, from below; X I3- 

 Fig. 4/. Left petasma, from behind ; X 28. 

 Fig. 4^. Distal half of pars media of the same petasma, from behind; X 46. c. capitulum; pv. processus 



ventralis. 

 Fig. 4//. Same distal half of pars media of the petasma, from in front; X 46. The lettering as in fig. \g. 



Fig. 5. Acetes dispar n. sp. 



Fig. 5rt. Anterior part of the carapace with right eye, antennula and squama of a male from Cheribon 



(Java), from above; X 11. 

 Fig. ^b. End of third peduncular joint of left antennula with the lower flagellum and the proximal part 



of upper flagellum of a male from Siam, from the outer side ; X 39- 

 Fig. 5^. Exopod of left uropod of a male; X I4- 

 Fig. 5^/. Posterior part of thorax of a male, from below; X 'V2- 



Fig. 5^. Left petasma, from behind; X 32. c. capitulum; e. pars externa; pv. processus ventralis. 

 Fig. 5_/". Distal portion of pars media of the same petasma, from behind ; X 66. 



