344 CRUSTACEA. 



Fam. Daphnidae. 



Ceriodaphnia reticulata (Jurine). Fossil Marsh. 



C. quadrangula, Miiller. Bardowie L. ; St. Germains' L., Glasgow ; Dhu 



Lochan, nr. L. Lomond ; Park L., nr. Campbeltown. 

 C. laticaudata, Miiller. Fossil Marsh, rather r. 



C. sp. L. Lomond ; L. Doon ; appears to be r. 



Scapholeberis mucronata, Miiller. Bardowie L. ; Dhu Lochan, not c. 

 Simocephalus vetulus, Miiller. Fossil Marsh ; L. Lomond ; Greenan L. ; 



Park L. ; L. Doon. 

 Daphnia lacustris, G. 0. Sars. L. Lomond, with and without a vertex 



tooth, 

 var. aquilina, G. 0. Sars. L. Arklet, freq. 



D. ( ?) longispina, Leydig. L. Fad, Bute. 



var. nasuta, G. 0. Sars. L. Doon, Ayrshire. 



D. (?) jardinii, Baird. St. Germains' L., Glasgow. A crested form which 

 may belong either to this or to D. galeata, G. 0. Sars. 



Fam. Bosminidae. 



Bosmina Ipngirostris (Miiller}. Gen. dist. esp. in smaller lochs and ponds. 

 B. longispina, Leydig. Not unc. in larger lochs, as L. Lomond and L. Doon. 



Fam. Macrothricidae. 



Lathonura rectirostris (Miiller). L. Doon the shore on W. side. 

 Streblocercus minutus, G. 0. Sars. Dhu Lochan, nr. L. Lomond, r. 

 Drepanothrix dentata (Euren). Cumbrae (R.) : L. Arklet ; L. nr. L'ranza ; 



L. Doon, &c., not unc. 

 Acantholeberis curvirostris (Miiller). Cumbrae (R.) : L. Arklet ; L. nr. 



L'ranza, not r. 

 IlyocryptllS sordidus (Lieven). Cumbrae (R.) : Fossil Marsh ; L. Arklet ; 



L. Doon ; Park L., Campbeltown, not r. 



Fam. Lynceidae. 



Eurycercus lamellatus (Miiller). C. and gen. dist. 

 Acroperus harpae, Baird. Gen. dist. and mod. c. 

 Camptocercus macrurus (MiilL). L. Lomond; L. Doon, freq. The Campto- 



cercus found in Scotland is usually ascribed to C. macrurus. Mull., but 



seems to agree better with Schoedlers' C. rectirostris. 

 Alonopsis elongatus, G. 0. Sars. C. and gen. dist. 

 Ledigia quadrangularis (Leydig). Pond nr. Kutherglen (J. Steel) ! St. 



Germains' L., not c. 



Graptoleberis testudinaria (Fischer). L. Arklet ; L. Doon ; freq. 

 Alona guttata, G. 0. Sars. Gen. dist., freq. 

 A. costata, G. 0. Sars. St. Germains' Loch ; L. Lomond (shore nr. Bal- 



maha) ; not c. 



A. quadrangularis (Miiller). Gen. dist., mod. c. 

 A. affinis (Leydig). L. Lomond ; L. Doon ; L. behind L'ranza ; Park L., 



Campbeltown &c., freq. 

 A. intermedia, G. 0. Sars ( = A. neglecta, T. 8.) L. Arklet; L. Doon, 



not c. 



A. rustica, T. Scott. L. Arklet ; L. Lomond ; L. Doon ; Park L. 

 A. rectangula, G. 0. Sars. Nr. E. Tarbert, L. Fyne ; Park L., Campbeltown. 

 Alonella exigua (Lilljeborg). C. and gen. dist. 

 A. nana, Baird. L. Arklet ; L. Lomond ; L. Doon, &c., not r., but being so 



small is easily overlooked. 



Pleuroxus trigonellus (Miiller). L. Lomond ; L. Doon, not r. 

 P. laevis, G. 0. Sars. Fossil Marsh is the only station I know of. 



