MUSEUM OF COMPARATIVE ZOOLOGY. 107 



right angles to tlie rest of the phite, but lierc represented as compressed 

 nearly to the plane of the plate. 

 Fig. 8. Amalopcna'us clcgans. Diagrammatic sketch of the left side of the carapax 

 and anterior appendages of a female from Station .3'28, enlaiged about 

 two diameters. 

 9. Mandibular palpus of the left side of the same specimen, seen from beneath, 

 enlarged eight diameters. 



10. Endognath of the first maxilla of the left side of the same specimen, seen 

 from beneath, enlarged eight diameters. 



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



enlarged eight diameters. 

 " 12. Outline of the antennal scale of the left side of the same specimen, seen 

 from above, enlarged neaily four diameters. 



13. Appendage (petasma) of the pvotopod of the appendage of the left side of 

 the first somite of a male from Station 324, seen from in front, enlarged 

 twelve diameters ; a, process below the base ; h, process between the 

 middle and inner or dist.il parts of the plate, and which turns readily 

 either in or out. 



14. Same appendage from a specimen from Station 330, seen in the same 

 position, enlarged twelve diameters ; a, J, as in Fig. 13. 



PLATE XV. 



Fig. 1. AmaJopcnaus chgnns. First chelate leg of the right side of the female 



figured on Plate XIV. fig. 8, enlarged about eight dianu'ters. 

 " 2. Second chelate leg of the left side of the same specimen, enlarged about 



eight diameters. 

 " 3. First maxilliped of tlie left side of the same specimen, seen from beneath, 



enlarged eight diameters. 

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



enlargeil eight diameters. 

 " 5. External maxilliped of the left side of the same sjiecimen, enlarged four 



diameters. 

 " 5*. Distal extremity of the same maxilliped, enlarged twenty-four diameters. 

 " 6. II ijriicnopcnccus dchilis. Diagrammatic sketch of the left side of the cara- 

 pax and anterior appendages of a female from Station 323, enlarged 



about two diameters. 

 " 7. First maxilliped of the left side of a female from Station 32G, seen from 



beneath, enlarged eight diameters. 

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



enlarged eight diameters. 

 " 9. Extern;il maxilliped of the left side of the same specimen, enlarged four 



diameters. 

 " 10. First chelate leg of the right side of the same specimen, enlarged four 



diameters. 

 " 11. Distal part of the third (dielate leg of the right side of the same specimen, 



enlarged four diameters. 



