On the Upper Silurian Poraminifera of Gothland. 301 



along vein 4. Outev margin with an irregular band from 

 costa to vein 3, and se])arated from first discal line from costa 

 to vein 6 by a yellowish line with black dots proximally of 

 it on veins 6, 7, and 8. A submarginal row of seven black 

 spots and a dot in cellule 8 at apex. Fringes dark at ends 

 0^ veins. Hind wing without markings, except a black spot 

 at anal angle and a small tuft of black hair below it. 



Underside. — Fore wing chrome-yellow, darker beyond 

 cell and over apical third ; three black dots, the first the 

 largest, in cellules 7, 6, and 5. Hind wing without markings. 



Antennae with black dot at base on vertex, prothorax, and 

 patagia marked with chestnut-brown, the latter with fringe 

 lipped with black ; a small tuft of black hair at base of 

 abdomen ; tarsi black. 



? . Similar to (J, witli paler brownish markings and discal 

 lines more heavily marked. 



Length of fore wings, (;J $ , 27 mm. 



Types from Angi Lakes, Arfak Mountains, 6000 feet, 

 N. New Guinea, Jan. to Feb. 1914. 2 S 6 ''^'i^ 1 ? were 

 obtained. 



EXPLANATION OF PLATE Xll. 



Fi(/. 1. Milionia rubrifascia, $» 



Fig. 2. rubra, 2 • 



Fi(/. 3. xanthica, 5 • 



Fig, 4. , ab. bipnncta. 



Fig. 5. , ab. extensa. 



Fig. 6. knoiolei, S • 



Fig. 7. iveiskei rubidifascia, S • 



Fig. 8. Eubordeta albifascia, c? . 

 Fig. 9. Craspedopnis angiana, c^ . 

 Fig. 10. Buzara calodesma lutimargo, ^ . 

 Fig. 11. Parabasisfelixi, cJ . 



XXV. — Upper Silurian Foraminifera of Gothland. 

 By John Smith. 



[Plate XIII.] 



Previous Knowledge of the Paleozoic Foraminifera. 



We are pretty well acquainted with the Carboniferous 

 Foraminifera, so well depicted in Brady's " Monograph," 

 published by the Palseontographical Society in vol. xxx. 



Li strata lower than the Carboniferous few species have 

 liitherto been found. 



