206 MR. p. E. BEDDAED ON THE OLIQOCHJ5TE [Mar. 6, 



Plate XIII. 



Fig. 38. Limnocaridina spinipes (p. 197), female. Ceplialothorax from the side. 



39. „ „ female. Aiiteuiial scale. 



40. „ „ „ Pevajopod of first pair. 



41. „ „ „ Perseopod of second pair. 



42. „ „ „ Perajopod of third pair. 42 a. Dactj'lus 



of same, further enlarged. 



43. „ „ „ Perasopod of fifth pair. 43 a. Dactj'lus 



of same, further enlarged. 



44. „ „ „ Tail-fan. 



45. Caridella cunningtoni (p. 199), female. Cephalothorax from the side. 



45 a. An egg, drawn to same scale. 



46. „ „ female. Peduncle of antennule. 



47. „ ., ,, Antennal scale. 



48. ,, ,, „ Peraeopod of first pair. 



49. „ „ „ Persopod of second pair. 



50. „ „ „ Perajopod of fourth pair, terminal part. 



50 a. Dactylus, further enlarged. 



51. „ „ „ Perajopod of fifth pair, terminal part. 



52. „ „ „ Tail-fan. 



53. Caridella minuta (p. 200), female. Cephalothorax, from the side. 



54. ,, „ female. Peraeopod of first pair. 



55. „ „ „ Perasopod of second pair. 



56. ,, „ „ Perajopod of fifth pair. 56 a. Dactylus, further 



enlarged. 



Plate XIV. 



Fig. 57. Atyella hrevirostris (p. 201), female. Cephalothorax, from the side. 



58. ,, „ female. Peduncle of antennule. 



59. „ „ „ Antennal scale. 



60. „ „ „ PeraBopod of first pair. 



61. ,, „ „ Pera3opod of second pair. 



62. „ „ „ Penuopod of third pair. 62 a. Dactylus of 



same, further enlarged. 



63. „ „ „ Peraeopod of fifth pair. 63 a. Dactylus of 



same, further enlarged. 



64. „ „ „ Tail-fan. 



65. Atyella longirostris (p. 202), female. Cephalothorax from the side. 



66. „ „ female. Peduncle of antennule. 



67. „ „ „ Antennal scale. 



68. „ „ „ Pera3opod of first pair. 



69. „ „ „ Perseopod of second pair. 



70. „ „ „ Peraeopod of third pair. 70 a. Dactylus of 



same, further enlarged. 



71. „ „ „ Peraiopod of fifth pair. 71 a. Dactylus of 



same, further enlarged. 



72. „ „ „ Tail-fan. 



3. Zoological Results of the Third Tano-aiiyika Expedition, 

 conducted by Dr. W. A. Gunnington, 1904-1905. — 

 Report on the Oligoehseta. By Frank E. Beddaud, 

 F.R.S., Prosector to the Society. 



[Received February 12, 1906.] 



The Oligochfeta brought back by Dr. Cunnington from Lake 

 Tanganyika, and which have been submitted to me for study, 

 belong to four new species, which I name Ocnerodrilus {Ilyogenia) 

 cunningtoni, Alluroides tanganyikce, Metschaina tanganyihce, and 

 Stuhlmannia inermis. Of these the first two are types which are 



