ALGiE OP WEST IRELAND. 127 



tane; Cloonee Lough; Cromagloun; Castletown; Glengarriff; 

 Carrantuohill ; 8 m. S. of Kenmare. 



6. Penium digitus, Breb. in Ralfs, Brit. Desm. p. 150, tab. 

 25. fig. 3. 



Long. 80-387//; lat. 20-82 p ; lat. ad apic. 18-40 p. 



L Near Westport ; Letereen Lough ; Lough Creggan ; near 

 Oughterard; Lakes, Clifden to Roundstone ; Ballynahinch 

 Roundstone; Derryclare Lough; Kyleniore ; Oorid Lough 

 Arderry Lough ; Lough Shannacloontippen ; Lough Shindilla 

 Lough Aunierin. — II. Lough Guitane ; Cromagloun ; Tore Mt. 

 Lower Lake of Killarney ; Glen Caragh, near Lough Brin 

 Carrantuohill; Castletown; Glengarriff; Cloonee Lough; 8m. 

 S. of Kenmare. 



tfVar. cofstkictum, nov. var. 

 P. diametro 6-8plo longius, apicibus truncatis, distincte sed 

 late constrictuin. 



Long. 353-405 /x ; lat. in centro 47-55 fx ; lat. max. 55-65/1. 

 I. Lakes, Clifden to Eoundstone. 



7. P. interruptum, Breb. in Ralfs, Brit. Desm. p. 151, tab. 

 25. fig. 4. 



I. Lough Aunierin ; Creggan Lough ; near Westport. 



tf Var. sectum, nov. var. 

 Var. apicibus repente truncatis ; membrana rufescente. 

 Long. 258 yu ; lat. max. 47 /x ; lat. ad apic. 20-22 /x. 

 I. Near Westport. 



8. P. closterioides, Ralfs. (Brit. Desm. p. 152, tab. 34. 

 %. 4.) 



Long. 102-115 /x ; lat. 20-22 M ; lat. apic 9-11 A *. 



I. Near Westport ; near Leenane ; Creggan Lough ; Ballyna- 

 hinch ; Derryclare Lough ; Lough Aunierin ; near Oughterard ; 

 Kylemore. — II. Carrantuohill ; Glen Caragh ; Castletown ; 

 Adrigole. 



9. P. Navicula, Breb. (Babh. Fl. Alg. JSurop. iii. p. 121.) 

 Long. 32-41 /x ; lat. 10-15 /x ; lat. apic. 6-7 fx. 

 I. Lough Shannacloontippen ; Ballynahinch; Eoundstone; 



Lough Aunierin ; Lakes east of Lough Bofin ; Kylemore ; Creg- 

 gan Lough. — II. Lough Guitane; Muckross; Adrigole; Glen 



