[79] 



DECAPOD A FEOM ALBATROSS DREDGINGS. 423 



PLAT E VII. 



Fig. 1 — Nematocarcinus en8{feru8 Smith. Lateral view of female, from Station 2035, 

 uatural size. 



Fig. 2. — Noiostomus roiustus, sp. nov. Lateral view of female, from Station 2074, nat- 

 ural size. 



PLATE VIII. 



Fig. 1. — Acanthephyra Agasaizii Smith. Lateral view of male, from Station 2034, 

 natural size. 



Fig. 2. — Sergeatta arcticua Kroyer. Antennal scale of the right side of a male, from 

 Station 1030, enlarged four diameters. 



Fig. 3. — Sergeatea rohuatu^ Smith. Lateral view of male, from Station 893, enlarged 

 two diameters. 



Fig. 4. — Distal extremity of chela of the second pergeopod of the left side of another 

 male, from the same station, enlarged twenty-four diameters. 



Fig. 5. — Antennal scale of the right side of the same specimen, enlarged four di- 

 ameters. 



Fig. 6. — Appendage (petasma) of the protopod of the first pleopod of the right side 

 of the same specimen, seen from in front, enlarged eight diameters ; o, 

 point of attachment to the protopod ; h, hooked stylet ; c, d, unarmed 

 stylets ; e, /, g, terminal processes armed with invaginated hooks ; A, 

 mesial line where the appendages of the two sides are hooked together. 



Fig. 6a. — Invaginated hook at the tip of process /, enlarged one hundred diameters. 



Fig. 6i. — Invaginated hook from the side of the same process, enlarged one hundred 

 diameters. 



PLATE IX. 



Fig. 1. — Ariateua f tridena, sp. nov. Lateral view of male, from Station 2036, one-half 



natural size. 

 Fig. la. — Dorsal view of the carapax and anterior appendages of the same specimen, 



one-half natural size. 

 Fig. 2. — Mandible of the right side of female, from Station 2043, ventral and dorsal 



views, natural size. 

 Fig. 3. — First maxilla of the right side of the same specimen, natural size. 

 Fig. 4. — Second maxilla of the right side of the same specimen, natural size. 

 Fig. 5. — Maxilliped of the right side of the same specimen, natural size. 

 Fig. 6. — First gnathopod of the right side of the same specimen, natural size. 

 Fig. 7. — Mepomadus iener, sp. nov. Lateral view of front of carapax and eye of male 



from Station 2099, enlarged four diameters. 

 Fig. 8. — Distal part of third peraeopod of right side of the same specimen, enlarged 



four diameters. 



PLATE X. 



Fig. 1. — HymenopencBua micropa, sp. nov. Lateral view of female, from Station 2037, 

 enlarged two diameters. 



Fig. 2. — AmalopencBua valens, sp. nov. Appendage (petasma) of the protoijod of the 

 first pleopod of the right side of male, from Station 2003, seen from in 

 front, enlarged twelve diameters; a, oval process over the base of at- 

 tachment to the protopod c ; i, broad lobe projecting over the mem- 

 branous inner part of the appendage. 



Fig. 3. — Benthesicymua? sp. indet. Distal part of maxilliped of the right side of 

 Bpocimen, from Station 2042, enlarged eight diameters. 



