PLATE V. 



Fig. I. Siriella anomala n. sp. 



Fig. I a. Major part of right antenna of a male from Stat. 37; x 24. 



Fig. \b. Major part of right antenna of a female from Stat. 37; x 24. 



Fig. \c. Left gnathopod of the same female, from below; X 24. 



Fig. \d. Endopod of left first thoracic leg of the same female, from below; x 24. 



Fig. \c. Second right male pleopod, from behind; x 24. 



Fig. i/. Third right male pleopod, from behind; X 24. 



Fig. i^. Distal part of the endopod of third right pleopod, from behind; x 92- 



Fig. I h. Distal part of the endopod of fourth right male pleopod, from behind ; x 9-- 



Fig. li. End of sixth abdominal segment with telson and left uropod of a female, from above; x 24. 



Fig. \k. Distal end of the female telson shown in fig. i /, from above; X 72. 



Fig. i/. Exopod of left uropod of an adult male, from above; x 24. 



Fig. 2. Siriella disiingucnda n. sp. 



Fig. 2a. Major part of the right antenna of a male from Stat. 41, from above; X 24. 

 Fig. 2b. Fourth right pleopod of the same male, from behind; X 24. 



Fig. 2c. Distal part of the endopod of the pleopod shown in fig. 2b, from behind; X 124. 

 Fig. 2d. Exopod of left uropod of the same male, from above; x 32. 

 -Fig. 2c. Distal part (nearly half) of the telson of the same male, from above; X 83. 



Fig. 3. Siriella conforvialis n. sp. 



Fig. 3a. Distal part of the endopod of fourth right pleopod of a male from Stat. 220, from behind; X 92. 

 Fig. 3/'. Exopod of left uropod of the same male, from above; X 32. 



Fig. 4. Siriella dubia n. sp. 



Fig. 4<7. Anterior part of an adult female; x 32. 



Fig. 4^. Left gnathopod of the same female, from below; x 31- 



Fig. \c. Left first thoracic leg of the same female, from below; X 31. 



Fig. 4(/. End of sixth abdominal segment with telson and left uropod of the same female, from above; X 31. 



Fig. 4f. Distal part of the telson, from above; X "J^. 



Fig. 5. Hemisiriclla pulchra n. gen., n. sp. 



Fig. 5 c?. Anterior part of an adult male from Stat. 41 ; X 24. 



Fig. 5i^. Left mandible of an adult female, from below; x 42. 



Fig. 5c. Distal part of the same left mandible, from below; x 75- 



Fig. 5c/. Distal part of the corresponding right mandible, from below; x 75. 



Fig. 5^. Same distal part as shown in fig. 5^: of the left mandible, from above; X 160. 



Fig. 5/. Sam.e distal part as shown in fig. 5c/ of the right mandible, from above; X 160. 



Fig. 5«-. Left maxilla of an adult female, from below; X 75. 



