Fig. 



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2. 



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2". 



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3. 



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7. 



106 BULLETIN OF THE 



PLATE XIII. 



Eumiersia ensifera. Lateral view of female from Station 3-10, natural size. 

 Mandible of the left side of another female of about the same size and from 



the same station, seen from beneath, enlarged four diameters. 

 The same mandible seen from behind, enlarged four diameters. 

 First maxilla of the left side of the same speeimen, seen from beneath, 



enlarged four diameters. 

 Second maxilla of the left side of the same specimen, seen from beneath, 



enlarged four diameters. 

 First maxilliped of the left side of the same specimen, seen from beneath, 



enlarged four diameters. 

 Second maxilliped of the left side of the same specimen, seen from beneath, 



enlarged four diameters. 

 Distal extremity of right chelate leg of the first pair of a male 44 mm. 



long from Station 330, enlarged about eight diameters. 



8. Distal extremity of right chelate leg of the second pair of the same speci- 



men, enlarged eight diameters. 



9. Distal extremity of left leg of the fifth (?) pair of a female 108 mm. long 



from Station 308, enlarged four diameters. 



10. Pandalus acanthonotus. Carapax and anterior appendages of the female 



from Station 321, enlarged four diameters. 



11. Propodus and dactylus of the second maxilliped of the right side of the 



same specimen, seen from beneath, enlarged twelve diameters 



12. Pandalus tenuipes Smith. Same part of second maxilliped of a specimen 



from 115 fathoms, off Martha's Vineyard (U. S. Fish Commission, Sta- 

 tion 871), enlarged twelve diameters. 



PLATE XIV. 



Fig. 1. Bentlicsicymus Bartlettii. Diagrammatic sketch of the left side of the male, 

 with most of the appendages omitted, natural size. 

 l a . Similar dorsal view of the anterior part of the carapax and the anterior 

 appendages of the same specimen, natural size. 



2. Distal part of the mandible of the left side of the same specimen, seen from 

 beneath, enlarged six diameters. 



3. First maxilla of the left side of the same specimen, seen from beneath, 

 enlarged six diameters. 



4. Second maxilla of the left side of the same specimen, seen from beneath, 

 enlarged six diameters. 



5. First maxilliped of the left side of the same specimen, seen from beneath, 

 enlarged four diameters. 



6. Second maxilliped of the left side of the same specimen, seen from beneath, 

 enlarged four diameters. 



7. Appendage (petasma) of the protopod of the appendage of the left side of 

 the first somite of the abdomen, seen from in front, enlarged twelve 

 diameters ; a, process standing out, in its natural position, at nearly 



it la 



