1915- No. 12. THE 5TROPHOMEXIDAE OF THE KRISTIANIA REGION". II7 



Page 

 ■ 7. Plectambonites cf. quinquecostata M'Coy. Ventral valve. X ^^ ^. — 



5 a. Vestre Svartø, Ringerike. Coll. Th. Münster ... 79 

 » 8. — Ventral valve. X 2^ ». — 5 a, Stavnaestangen. Ringerike. 



Coll. J. Kiær 79 



» 9. Plfctambonites quinquecostata M'Cov. Ventral valve. X 2. — 4 b o. 



Holmen, Asker. CoU. J. Kiær 78 



» 10. PUctambonitfs Schmidti Tou. var. prtcfdeus n. var. Ventral valve. 



— 4 b. Bratterud, Ringerike. Coll. J. Kiær 81 



• II. — ?i Globose specimen. 4 b, Husbergo. Coll. unknown 81 



» 12. P/fcfambottites Schmidti Tor. Verj- large valve. — 5 a, Sta\-næs- 



tangen. Ringerike. Coll. J. Kiær 82 



» 13. — Ventral valve. — 5 a. near Bonsnæs chapel, Ringerike. 



Coll. unknown 82 



ï 14. — A t5T)ical ventral valve. — ^ a. Stavnæstangen. Ringe- 

 rike. Coll. J. Kiær . . 82 



XVI. 



Fig. I. Brach}' prion yj) pseudeuglyphum Gagel (?>. Ventral valve. — 6 c, 



Limaastangen, Ringerike. Coll. J. Kiær 33 



2. Plectattibonites [1 Kristiatiiae n. s^. Ventral valve. X 2* *. — 3 c /J. 

 City of Kristiania. Coll. J. Kiær 76 



3. Peectambonites cf. papulosa Cowp. Reed. Ventral valve X ^^ i- — 

 4 c, Frogno, Ringerike. Coll. J. Kiær 77 



4. Christiania temiidncta M'Cov. Ventral valve. — 4 b, Bratterud. 

 Bønsnæs, Ringerike. Coll. J. Kiær 85 



5. — 4 b a, between Hvalstad and Semsvand, Asker. CoU. 

 W. C. Brøgger 85 



h. — Complete specimen. — 4 b. Bratterud, Ringerike. Coll. 



J. Kiær . 85 



7. — Intern, mouldofventr. valve. Hor.Joc, and coll.aspreceding 85 



8. — — -.- 85 



9. Tripleria insu/aris Eichav. 4 d. Frogno. Ringerike, Coll. J. Kiær 86 



10. Trip/t-ria insii/aris Eichw. var. anticostirnsis Twenhofel. Large 

 specimen. — 6. Loc. and coll. unknown 87 



11. — A rather small specimen. — 6 a. Konglungen, .Asker. 

 Coll. J. Kiær 87 



12. — A medium sized specimen. Loc. and coll, unknown . . 87 

 13— 15. Strfpfis monilifera M'Cov. var. altosinuata n. var. Three spec. 



of diff. outline and size. — 6 a ß. Konglungen, 



Asker. Coll. J. Kiær '. 87 



16—19. — Four other spec, figs. 16 and 18 showing unsjTn- 

 metrical development of sinus and fold. Hor., loc., 

 and coll. as preceding 87 



