﻿446 



DB. A. YAUGHAF ON THE FAUNAL SUCCESSION [Aug. 1908, 



(ii) Brachiopods: 



(X, y).. 



(z).. 

 (X, y, z).. 



(y,z).. 



(X)... 



(x).. 



(x).. 



(X, y).. 



(y).. 



(x,y).. 



(x,y).. 



(X, y). 



(x). 



(X. y). 

 (y). 



(x). 



Produchis antiquatus. Sow. 

 Froduct'us concinmis, ■ 



Sow., and varieties 

 including 

 ... form convergent on 

 Marginifera. 

 . Froductus sulcatus, Sow. 

 . Prodnctus longisjnn-Ks, 



Sow., and varieties. 

 . Fo'oductus aff. scahricidus 



(Mart.). 

 . Productva lounctato-jimhri- 



atus. 

 . Froductns cf. rugatus, 



PhiU. 

 ,. Productiis spimiiosiis,Bovf. 

 . Productiis, sp. nov. (Rush 



paper, /oc. swjpra cit.) 

 . Productus comigato-heoni- 



sphencus (fine-ribbed). 

 .. Productus margaritaceus, 



Phill. 

 . . Po-odnctusacuieatiis^M'drt.) 



and Pr. Youngiamis, 



Dav. 

 ,-^Prodtcctus stricdus 



(Fischer), Dav. 

 . '^Productus proboscidejcs, 



de Verneuil; de Kon. 

 ,. Prodnchis giganteiis 



(Mart.). 



Productus 

 J. Sow. 



Productus 

 Phill. 



aff. Iatissi7nus, 

 cf. onesolohus. 



(x, y, z)... Orthotetids including 



(Derhya cf. senilis 

 (Phill.). 

 Derhya grandis, Waagen. 

 (x, y, z).,. Schizop1io7na resujmiata ~\ 

 (Mart.), including I 

 gigantic [ 



*... and spinous vars. J 



(x, y, z)... Sjoirifer aff. bisulcatusA 

 Sow., including | 



(x).,.*...form convergent on f 

 Sp. integricosta,'^h\\\. J 

 {\).,.^Spirifer cf. convolutus, 



Phill. 

 (y)... Spiriferci. attenuatus, Sow. 

 (x).,. Martinia glabra (Mart.)"] 

 and I 



*,..a mutation common in [ 



(z). J 



, Martinia oralis (Phill.). 

 .^Martinia ovaliglahra, n. sp. 

 y, z)...Beticularia lioieata (Mart.) 

 & (Dav.) : (globular and 

 transverse forms). 

 s, z). . ."^ Spiriferina inscidpta, VhiW, 

 (large form), 

 {x)...'^Athyris cf. planosulcata 

 (Phill.), Dav. (cf. Dav. 

 pi. li, fig. 12). 

 (z)...^Actinoconc1ms sp. 

 (z)... Camarophoria, cf. crumena 



(Mart.), Dav. 

 (x)... Pugnax pleurodon (Phill.) 



& (Dav.). 

 (x)... Dielasma sp. (lentiform 

 species). 



(x,y).. 



(X, z). 



(ill) Lamellibranchs: 



(y) Posidonomya Becheri (Sow.). Abundant. First record at L 5 1? ; 



last at L 8 /. 



(y, z) Posidonomya onemhranacea (M'Coy). Abundant in z. First record 



at L 8 A. 



(x, y, z) Posidoniella lesvis (Brown). From IjoJi to end. 



(z) Aviculopecten dissimilis (Phill.). Abundant in L8_^; and L9c. 



(iv) Cephalopods : 



(y) Glyp)hioceras cf. crenistria (Phill.) . 



(z) Glyphioceras spirale (Phill. ). Common at L 9 ^. 



Distribution of the most important P-Fossils within 

 the Limits of the Zone. 



Miclielinia favositoides and Lonsdaloid CarmiopJiyllum OQQVir only 

 in the lower and middle parts (see repetition in L 18 c, L20/). 

 Productus striatus attains its maximum in the lower and middle 



