A REVISION OF THE BRITISH IDOTEID^. 757 



Fig. 28. Dorsal side of the left antenna. x 16. 

 Fig. 29. Terminal style of the antenna. x 110. 

 Fig. 30. Ventral side of the terminal portions of the inner and outer lobes of the right first maxilla. 



x 130. 

 Fig. 31. Ventral side of the right maxillipede. x 21. 

 Fig. 32. Ventral view of the second thoracic appendage, x 14. 

 Fig. 33. Ventral view of the eighth thoracic appendage. x 7. 

 Fig. 34. Dorsal view of the lateral portions of the mesosomatic segments, showing the coxal plates. 



x 3 5. 

 Fig. 35. Dorsal view of the metasome. x 5. 

 Fig. 36. Left uropod. x 7. 



Idotea emarginatu (Fabr.). 



Fig. 37. Dorsal view of the cephalon. x 7. 



Fig. 38. Dorsal side of the left antennule. x 30, 



Fig. 39. Dorsal side of the left antenna. x 11. 



Fig. 40. Terminal style of the antenna. x 110. 



Fig. 41. Ventral side of the terminal portions of the inner and outer lobes of the right first maxilla. 



x 130. 

 Fig. 42. Ventral side of the right maxillipede. x 21. 

 Fig. 43. Ventral view of the second thoracic appendage. x 10. 

 Fig. 44. Ventral view of the eighth thoracic appendage. x 7. 

 Fig. 45. Dorsal view of the lateral portions of the mesosomatic segments, showing the coxal plates. 



x 3-5. 

 Fig. 46. Dorsal view of the metasome. x 3*5. 

 Fig. 47. Left uropod. x 7. 



Idotea granulosa, Rathke. 



Fig. 48. Dorsal view of the cephalon. x 7. 



Fig. 49. Dorsal side of the left antennule. x 30. 



Fig. 50. Dorsal side of the left antenna, x 11. 



Fig. 51. Terminal style of the antenna. x 110. 



Fig. 52. Ventral side of the terminal portions of the inner and outer lobes of the right first maxilla. 



x 130. 



Fig. 53. Ventral side of the right maxillipede. x 21. 



Fig. 54. Ventral view of the second thoracic appendage. x 14. 



Fig. 55. Ventral view of the eighth thoracic appendage. x 14. 



Fig. 55. Dorsal view of the lateral portions of the mesosomatic segments, showing the coxal plates. 



x 5-5. ' 



Fig. 57. Dorsal view of the metasome. x 5. 



Fig. 58. Left uropod. x 7. 



Idotea sarsi, n. sp. 



Fig. 59. Dorsal view of the cephalon. x 7. 



Fig. 60. Dorsal side of the left antennule. x 30. 



Fig. 61. Dorsal side of the left an tenna. x 11. 



Fig. 62. Terminal style of the antenna, x 110. 



Fig. 63. Ventral side of the terminal portions of the inner and outer lobes of the right first maxilla. 



x 130. 

 Fig. 64. ^Ventral side of the right maxillipede. x 37. 

 Fig. 65. Ventral view of the second thoracic appendage. x 14. 

 Fig. 66. Ventral view of the eighth thoracic appendage. x 10. 



