ALG2E OF "WEST IRELAND. 157 



73. Cosmarium cylindricum, Balfs. {Anna! 8 of Nat. Hist. 

 vol. xiv. p. 392, tab. 11. fig. 1 ; Brit. Besm. p. 106, tab. 17. fig. 4.) 

 I. Athry Lough. 



74. C. ANNrLATUAi, Be Bary. [Dysphinctium annulatum, 



Neag 



Long. 44*5 /x ; lat. max. 16 p ; lat. ad apic. 14 /i. 



I. Nacoogarrow Lough. — IT. Carrantuohill ; Adrigole. 



77 5. C. sfbcostatum, Nord. {Wittr. et Nord. Besm. et (Edog. 

 in Tyrol, p. 37, tab. 12. fig. 13.) 



I. Derryclare Lough. — II. Lower Lake of Killarney. 



t76. C. subpkottjmidum, Nord. {Wittr. et Nord. Desm. et 

 (Edog. in Tyrol, p. 38, tab. 12. fig. 14.) 

 Forma. (PI. XXIV. fig. 21.) 

 Long. 32 /a; lat. 25 ^u; lat. apic. 14 p; lat. isthm. 8*5 fi. 

 I. Lakes, Clifden to Eoundstone. 



77. C. Boeckii, Wille. (Bidrag til KundsJc. om Norges 

 FersJcv. p. 28, tab. 1. fig. 10.) 



I. Ballynahinch ; Lough Aunierin ; Nacoogarrow, Nabincka, 

 and Shindilla Loughs ; Derryclare Lough. — II. Carrantuo- 

 hill ; Adrigole ; Kenmare ; Mallow. 



tt*BiPAPiLLATUM, nov. subsp. (PI. XXI. fig. 14.) 

 C. mediocre, paulo longius quam latum, profunde constrictum, 

 sinu angusto et lineari; semieellulse semicircularo-trapezicse, 

 dorso truncate et tetraundulatse, granulis circiter quinque ad 

 marginem lateralem unumquemque, granulorum seriebus duobus 

 intra marginem; series exterior granulis 13, series interior 

 interrupta granulis 7, in medio cum papillis binis longitudinaliter 

 dispositis ; a vertice visse ellipticae, papillam medianam unam 

 ostendens ; a latere visse subcirculares, utrobique papillis binis. 

 Long. 34 /x; lat. 28 ft; lat. isthm. 9/i; crass. 17 fi. 

 I. Creggan Lough. 



78. C. sphalerostichum, Nord. in Nord. et Wittr. Besm. 

 Ital. p. 28, tab. 12. fig. 3; Cooke, Brit. Besm. p. Ill, tab. 42. 

 % 6. 



I. Kylemore ; Lakes east of Lough Bofin; Derryclare and 



