The Scottish Naturalist. 207 



DEGEERIA Nic. 



10. D. NIVALIS De Geer, Tullb. 1. c. 39, 28, tab, vii., fig. 5. 

 D. ctmmlata Lubb. 1. c. 159, tab. xxxii. 



Morayshire, not uncommon. 



11. D. MUSCORUM Nic. vai'. Tullb. 1. c. 40, 29, tab. vii., fig. 2. 

 D. NicoktHjihh. 1. c. 161, tab. xxxiv. 



Orkney, among grass. 



12. D. MULTiFASCiATA TuUb. 1. c. 40, 31, tab. vii., fig. 6. D. 

 nivalis Nic, Lubb. 1. c. 158, tab. xxxi. 



Orkney, Morayshire (near Forres). 



13. D. ciNCTA Lubb. 1. c. 162, tab. xxxv. 



Shetland and Orkney under stones, &c.; rather common. 



14. D. LANUGINOSA Nic, Lubb. 1. c. 161, tab. xxxiii. 

 Three specimens from Orkney. 



ORCHESELLA Tempi. 



15. O. CINCTA Linn., Tullb. 1. c. 42, 36, tab. vii., figg. 8-17. 

 Lubb. 1. c. 129, tabb. xii.-xiv. 



Many specimens from Forres of the varieties figured by Lub- 

 bock in plates xii. and xiii. 



ISOTOMA (Bourl.) 



16. I. PALUSTRis (Gmel.) Tullb. 1. c. 45, 41, tab. ix., figg. 1-8. 

 /. aquatica Lubb. 1. c. 170, tab. xxxvii. 



All the varieties, described by Lubbock, in Shetland and Ork- 

 ney under rotting Fucus on the seashore ; very common and 

 numerous. 



17. I. ccECA, n. sp. 



Tota pallide flavens ; antennis capite fere dtiplo longiorilms, ai-tiailo tertio 

 secundo longiore, quarto duobiis praecedentibus sivml snmtis fere aeqiie longo ; 

 mactilis octilaribtis ocellisqiie mdlis ; segmento abdominali tertio quarto % bre- 

 viore ; furcida usque ad tubum ventrale?Ji pertinente, gracilis miicroiiibus biden- 

 tatis. (Pilositas in exemplis detrita.) Long, ly^-i}^ mm. 



Four specimens from Orkney. 



18. I. CRASSiCAUDA Tullb. 1. c. 48, 50, tab. ix., figg. 14-20. 



Nigro-violacea, pilosa, antennis capite non longioribus, artictdis sub-aequal- 

 ibus ; ocellis octo in idroque latere capitis omnibus aeque magnis ; furcula 

 usque ad tubum ventraleju pertinente^ dentibus obtusis crassis, usqiie ad apicem 

 tibiis haud gracilioribus mucroribus superne visis utrinque dente basalt ; un- 

 onicido inferiore basi superne lamelhda rotundata praedita. Long. I -2 mfu. 

 Variat junior griscscens linca dorsali nigi-a. 



