NO. 2280. TIll'J NEW COPEPOn FAMILY SPHYRIIDAE—WIEBON. 603 



Plate 52. 



l:^l)liyrioii luinpi (coatiuued). 



F\'j;. 23. Side view of male ; sp. sperm duct, sr. spermatophore receptacle, 

 /. testis. Fig. 24. First autenna of male. Fig. 25. Second antenna of same. 

 Fig. 26. Muuth tube and lirst maxilla of same. Fig. 27. First antenna of 

 adult female. Fig. 28. Second antenna of same. Fig. 29. Second maxilla. 

 Fig. 30. Dorsal view of trunk of youngest developmental stage. Fig. 31. Dorsal 

 view of trunk of third developmental stage. Fig. 32. Dorsal view of trunk 

 of adult female. In the Inst three figures cl. cement gland, ds. dorsoventral 

 muscles, ig. processes of the intestine, ju.st starting in fig. 30, partly formed in 

 fig. 31, and fully developed in fig. 32, in. intestine, o(/. ovary, ro. muscles con- 

 trolling the rectum. 



Plate 53. 



Fig. 33. Ventral view of Reheliila gracilis. Fig. 34. Ventral view of 

 R. houvieri. Fig. 35. Side view of head of same, enlarged. Fig. 36. Dorsal 

 view of heiid. Fig. 37. V»M!tral view of head. Fig. 3S. Head viewed from 

 the anterior end. Fig. 39. First (upper) and second antennae of male of 

 R. hnuvieri. Fig. 40. Maxilliped of same. 



Plate 54. 



Fig. 41. Side view of male of Rcbeluln houvieri; cl. cement gland, eg. ex- 

 cretory gland, sp. sperm duct, sr. spermatophore receptacle, t. testis. Fig. 

 42. Side view of head of adult female of R. houvieri, on} antennae, mx.' 

 maxillae, and mxp. maxilliped. Fig. 43. Posterior end of trunk. Fig. 44. Dorsal 

 view of trunk ; cl. cement gland, ds. dorsoventral muscles, in. intestine, or. 

 ovary. Fig. 45. Ventral view of head of adult female of Rehelula gracilis. 



Plate 55. 

 Rehelula cornuta. 



Fig. 46. Adult female. Fig. 47. Side view of male ; cl. cement gland, eg, ex- 

 cretory gland, sp. sperm duct, sr. spermatophore receptacle, t. testis. Fig. 48. 

 Ventral view of male. Fig. 49. First antenna. Fig. .50. Second antenna. Fig. 

 51. Mouth tube and first maxillae. Fig. 52. Second maxilla. Fig. .53, Maxilliped. 



Plate 56. 

 Paeon ferox. 



Fig. 54. Adult female. Fig. 55. Ventral view of head, enlarged. Fig. 56. 

 Dorsal view of head. Fig. 57. Side view of head. Fig. 58. Venti-al view of 

 trunk; cl. cement gland, ds. dorsoventral muscles, eg. eggs, ms. longitudinal 

 muscles, ov. ovary. Fig. 59. Side view of male. 



Pr^TE 57. 

 Paeon fcrox (continued) and P. versicolor. 



Fig. GO. Dorsal view of mouth and antennae of male; a».* and an.^, antennae. 

 Fig. 61. Ventral view of same. Fig. 62. Dorsal surface of trunk of P. versicolor; 

 cl. cement gland, ds. dorsoventral muscles, eg. eggs, in. intestine, nts. longitudinal 

 muscles, ov. ovary. Fig. 63. The migrated second antenna (?) of /'. ferox. 



