DEVONIAN FOSSILS 115 
Steinkern of ?eeratiocarid spine. 
Chonetes baragwanathi sp. nov. HOLOTYPE steinkern showing um- 
bonal features. The median septum looks thick due to a slight 
breaking away of the steinkern, but it is actually linear. 
Chonetes robusta Chapman. HYPOTYPE figured to show umbonal 
structures, 
Chonetes baragwanathi sp. nov. General view of obese ventral valve, 
the HOLOTYPE steinkern. See Fig. 14 for another view of the 
same shell. 
Chonetes robusta Chapman. HOLOTYPE. 
Conchidium polymitum sp. nov. General view of steinkern of ventral 
valve (HOLOTYPE). See Fig. 12 for umbonal view. 
. Protoleptostrophia affinalata sp.nov. Steinkern of dorsal valve (PARA- 
TYPE). 
Eospirifer eastoni sp. nov. Steinkern of dorsal valve. HOLOTYPE. 
On the same slab are two valves of Chonetes baragwanathi sp. nov. 
(HYPOTYPES.) : 
о. 21. Eospirifer eastoni sp. nov. Umbonal view of HOLOTYPE. 
22. Protoleptostrophia affinalata sp.nov. The HOLOTYPE is the ventral 
valve steinkern nearest the figure number. Two young specimens 
are below it. 
Eospirifer castoni sp.nov. Piece of external mould of HOLOTYPE 
to show costellation. Also opposites of valves of Chonetes barag- 
wanathı seen in Fig. 20. 
Note. All figures are natural size except No. 5, which is X2 to show nature 
of surface ornamentation. 
H2 
