K0.2194. NORTH AMERICAN I'AHAkilTlC C(}l'El'Ol)ki--WlLkiON. 145 



rostrum, dorsal view. Fig. 18. Dorsal view of head, processe.*! removed except 

 those on the sides. Fig. 19. Ventral view of head, showing the peculiur entrance 

 of the esophagus Into the side of the stomach. Fig. 20. Proboscis enlarged. 

 Fig. 21. Section of body wall, showing pore canal and chitinogen layer. Fig, 22. 

 First three pairs of swimming legs. Fig. 23. Ventral view of cleared specimen, 

 showing reproductive organs. 



Plate 4. 

 Femalt> of Lenta eenieus radiatvs. 



Fig. 24. Side view, drawn by .1. H. Blake. Fig. 25. Posterior view of head, 

 also drawn by J. H. Blake. Fig. 26. Side view, drawn by R. Rathbun. Fig. 27. 

 Top view of head. Fig. 28. Side view of head, showing proboscis and posterior 

 plate at base of antennae. Fig. 29. Dor.sal view of head with only two horn.s. 

 Fig. 30. Diagonal view of same cut open to show the digestive tube. Fig. 31. 

 Side view of proboscis. Fig. 32. Tip of proboscis, showing central plate and 

 maxillae. Fig. 33. Maxilla. Fig. 34. First and second antennae and rostrum. 

 Fig. 35. Side view of posterior trunk with egg string.s : figs. 27 to 35 drawn by 

 R. Rathbun. 



Pl.ATK O. 



Female.-; of hcninecnicux radiatuH and L. polyceraux. 



Figs. 36 to 39. Swimming legs of L. radiatus. Fig. 40. Head and ue«'k, with 

 two sets of horns. Fig. 41. Ventral view of maxilla. Fig. 42. Side view of 

 L. polyceraus. Fig. 43. Ventral view of head and neck. Fig. 44. Side view of 

 head. Fig. 45. Attachment lamellae. Fig. 46. Tip of proboscis with maxillae. 

 Fig. 47. Swimming legs. 



Pla'ik ii. 



Female of Lernaeenievs affixus. 



Fig. 48. Side view. Fig. 49. Side view of head fastened to the ray of a fin. 

 Fig. 50. Side view of head with attachment apparatus. Fig. 51. Anterior view of 

 attachment lamellae. Fig. 52. First antenna. Fig. 53. Second antenna. Fig. 54. 

 Tip of probo.scis. Fig. 55. Mandible?. Fig. 56. Maxilla. Fig. 57. Anal laminae. 

 Figs. 58 to 61. Swimming legs. 



Plate 7. 



Female of Lemaeenicus longivenMs. 



Fig 62. Side view. Fig. 63. Side view of head. Fig. 64. First and second 

 antennae. Fig. 65. The same on another specimen. Fig. 66. Mandibles. Fig. 

 67. Maxilla. Fig. 68. Swimming legs. Fig. 69. Ix)ngitudinal section of head 

 and anterior neck. Fig. 70. Newly hatc-hed naupHus. 



Plate 8. 



Female of Sareotretes lobatus. 



Fig. 71. Diagonal view, partly dorsal, partly lateral. Fig. 72. Dorsal view of 

 head. Fig. 73. Tip of proboscis, dorsal. Fig. 74. Tip of proboscis, ventral- 

 Fig. 75. First and second antennae. Fig. 76. Maxilla. Fig. 77. Swimming legs. 

 Fig. 78. Lateral view of cleared specimen, showing reproductive organs. Fig. 

 79. Ventral row of excretory glands. 



774aS— Proc. N. M. vol. 5.«?— 17- 10 



