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PLATE V. 



Fig. i. Siriella anoinalp. n. sp. 



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



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



ie. Left gnathopod of the same female, from below; X 24. 



ld. Endopod of left first thoracic leg of the same female, from below; X 24. 



ie. Second right male pleopod, from behind ; x 24. 



1 ƒ. Third right male pleopod, from behind ; X 24. 



ig. Distal part of the endopod of third right pleopod, from behind; x 92. 



1 h. Distal part of the endopod of fourth right male pleopod, from behind ; x 92. 



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



ik. Distal end of the female telson shown in fig. li, from above; X 72. 



il. Exopod of left uropod of an adult male, from above; x 24. 



Fig. 2. Siriella dislingucnda n. sp. 



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



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



Fig. 3. Siriella conformalis n. sp. 



Fig. 3«. 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. 4a. Anterior part of an adult female; x 32. 



Fig. \b. Left gnathopod of the same female, from below; x 31. 



Fig. 4c. Left first thoracic leg of the same female, from below; X 31. 



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



Fig. 4e. Distal part of the telson, from above; x 76. 



Fig. 5. Hemisiriella pulchra n. gen.', n. sp. 



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



Fig. z,b. Left mandible of an adult female, from below; x 42. 



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



Fig. ^d. 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/. Same distal part as shown in fig. $d of the right mandible, from above; x 160. 



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



