PLATE X. 
Page. 
Fig. 1. Behnorliijnchns gi(jas, ii\). \\o\. ■, imperfect liead, lateral aspect ... ... ... 23 
Fig. 2. Ditto; liimler portion of trunk, lateral aspect, a., anal fin; c., caudal fin; 
(/., (lor.sal fin ; h., ha;mal arches of axial skeleton ; in., interspinous bones ; 
n., neural arches of axial skeleton ; not., position of notochord. 
Fig. 3. Jielo7207-hyncJnis gracilis, sp. nov. I lateral aspect ... ... ... ... ... 27 
Fig. 4. Ditto : fragment of trunk ; lateral .aspect, showing the pelvic fin, .and indications 
of ventral scutes surrounding the position of the anus. 
Fig. 5. Bclo7io7'li7jnclms striolatus, Broun ; pelvic fins and ventral scutes encircling the 
anal region, seen from below (somewhat enlarged after Kner). — Keuper ; 
Baibl, Carinthia. 
