PLATE VII. 



Fj.rj;. 1 — 4. Cytiierea plana, Soiv., p. ]69; No. 1 is from near Anapcmdi) , ^, from Kunaiiore, 

 3 and 4 from Alundanapooram ; Trichhiopoly group. 



Pi„s. 5—6 . CvTH. [Calusta] laciniata, -S('oA, p. 17-i; N'mnijoor, Arrlaloor ijrvup. 



Fio-s. 7 — 9. Cyth. [Calusta] sculpturata, Stol., y^t. 17-3; 7 and S a, side-, and front-views 

 of the same specimen ; 8 a, somewhat more elongated variety ; from near 

 Kunauore, Arrialoor group. 



Fjo-s. 10 — 17. Cytherea LASSULA, /Sto/., p. 171 ; from near Kumnorv and KarajJcmdi/, Arrialoor 

 group. 



Figs. 18—20. Cyth. [Callista] jiinutula, Stol., p. 175; all the figures enlarged twice the 

 natural size ; ComarapoUiam, Arrialoor group. 



Fin's. 21 — i'i. Cyth. [Callista] vagrans, Stol.,^. 176; 21 and 21 a, a small specimen, enlarged 

 twice the natural size ; from Garudamungalum ; 22, natural size, from south of 

 Garudamunrjalum, Tricldnopoly group ; 23 and 23 a from Karapaudy ; Arrialoor 

 group. 



Fi(,s_ 24—27. Cyth, [Caryatis] turgidula, Stol., p. 177; 24, coarse-ribbed variety from a calca- 

 reous sandstone ; 25 and 26, finer ribbed or striated variety from an earthy 

 browTiish limestone ; Odium, Ootatoor group. 



Fio-s. 28 — 2!). Cyth. [Caryatis] Telugensis, Stol., p. 177; ^1%, Garudamungalum, Trichinopoly 

 group ; 29, ComarapoUiam, Arrialoor group (the concentric striation in fig. 29 

 should be a little finer) . 



Figs. 3U— 31. Cyth. [Callista] discoidalis, Stol., p. 175; fig. 31 has been partially restored 

 according to the shape of the other valve ; Ninnyoor, Arrialoor group. 



