PLATE III. 



Fig. i. Sicyonella antennata n. sp. (Continued). 



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



Fig. ib. Anterior right part of carapace vvith eye, antennula and squama of an adult female, from Stat. 258, 



from above ; X 9- 

 Fig. ie. Exopod of left uropod of a male; X scarcely 7. 

 Fig. ld. Left petasma, from behind ; X 20. a. pars astringens; lam. lamina externa, and pu. processus 



uncifer, of pars externa. 

 Fig. ie. Distal half of pars media of the same petasma, from behind; X 38. la. lobus armatus ; Ie. lobus 



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



ventralis, cleft into two main branches. 

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



Fig. 2. Acetes vulgaris n. sp. 



Fig. 2a. Anterior part of a male, from above; X i3 /%- 



Fig. 2b. Anterior right part of carapace with eye, antennula and squama of an adult female from the Gulf 



of Siam, from above; X 13 /i>- 

 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 belovv; 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 H- P- palp. 



Fig. 2/1. Left first maxilliped of the same male, from below; X 14. ep. epipod ; ex. exopod. 

 Fig. 2z'. 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. 2111. Left uropod of a male, from the outer side; X 7- 



Fig. 211. Posterior part of thorax of a male, from below; X II. I. 3 third thoracic leg; ge. genital coxse. 

 Fig. 20. Posterior part of thorax of a female, from below; X II. s.* fourth (penultimate) thoracic segment; 



.f. 5 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; X5I- c. capitulum ; pv. processus 



ventralis. 

 Fig. 27'. Distal portion of pars media of the same petasma, from in front; X 5 1 - c - capitulum; pv. processus 



ventralis. 



Fig. 3. Acetes sp. 

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



Fig. 4. Acetes Sibogte n. sp. 



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

 Fig. 4b. 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. 4c. Exopod of left uropod of a male; X il. 

 Fig. ^d. Posterior part of thorax of a male, from below ; X 13- 

 Fig. 4e. Posterior part of thorax of a female, from below; X 13- 

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

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



ventralis. 

 Fig. 4I1. Same distal half of pars media of the petasma, from in front; X 46. The lettering as in fig. 4g. 



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 II. 

 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. 5c. Exopod of left uropod of a male; X 14- 

 Fig. i,d. Posterior part of thorax of a male, from below; X 35 /s- 



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

 F'g- 5/- Distal portion of pars media of the same petasma, from behind ; X 66. 



