ADDENDA ET COURTS KXDA. 
ro i 
0»j 1 
ADDENDA ET CORRIGENDA. 
P. 15. Add the following to the list of specimens of Belonorliynchus 
acutus : — 
P. 961 a. Portion of jaw, one of the type specimens figured by 
Agassiz, loc. cit. fig. 3 ; Upper Lias, Whitby. 
Egerton Coll. 
P. 20. A variety of the so-called Saurichthys semicostatus is named 
£. angustus by Munster, loc. tit. 1839, p. 119. 
P. 35. The following specimen apparently of Gyrosteus mirabilis 
has been obtained since the early pages were printed :— 
P. 7520. Slab of pvritous jet rock from the Upper Lias of 
Whitby, exhibiting a regular series of plates, which 
seem to be an operculum and suboperculum followed 
below by seven branchiostegal rays, exposed from the 
inner aspect. The supposed operculum is relatively 
small, only one-third as deep as the supposed suboper¬ 
culum beneath it. Purchased , 1895. 
P. 68. An indeterminable crushing-tooth is named thus :— 
Sargodon liasicus, E. Dumortier, Etudes Paleont. Depots Jurass. 
Bassin Rhone, pt. ii. (1867), p. 108, pi. xxix. figs. 7, 8. 
—Lower Lias ; Dardilly, Dept. Rhone. 
P. 71. Dapedius cdtivelis is first named Tetragonolepis altivelis by 
Agassiz, Neues Jahrb. 1832, p. 147. 
P. 77. To Coloboclus may also probably be referred the portion of 
squamation described thus :— 
Lepicbtus sulcatus , J. J. Heckel, Sitzungsb. k. Akad. Wiss.. 
math.-naturw. Cl. 1849, pt. i. p. 177, and Denksehr. k. 
Akad. Wiss., math.-naturw. Cl. vol. i. (1850), p. 242, 
pi. xx. fig. 3.—Upper Trias ; Raibl, Carinthia. 
P. 90. Lepiclotus mcicrocheirus is quoted under the name of 
L. latimanus by Agassiz. Poiss. Foss. vol. ii. pt. i p. 305. 
2 m 2 
