30 A. S. Woodward and C. D. Sherhorn's Catalogue — 



Pristacanthus securis, Ag. : A. S. Woodward, Proc. Geol. Assoc, vol. xi. (1890), p. 



290, pi. iii, f. 2. 

 Fsammosteus : The types of P. granulatus and P. mnnicularis are now in the DubHn 



Mus. Sci. and Art. 

 Pterichthys Milleri, Ag. ; recorded from Achanarras, Caithness, by Traquair, Ann. 



Mag. Nat. Hist. [6] vol. vi. 1890, p. 483. There is also a specimen from 



this locality in the Worcester Museum. 

 Ptychodus mammillaris, Ag. : A. S. Woodward, Ann. Eep. Torks. Phil. Soc. 1889 



(1890), p. 39, pi. i. f. 3-14. 



polygyrus, Ag. : A. S. Woodward, ibid. p. 40, pi. i. f. 15-20. 



Pycnodus Couloni, Ag. : v. Mesodon Couloni. 



rudis, Phillips : synonym of Lepidotus iinguiculatus. 



Pygopterus elegans, Peach : v. Nematoptychius Greenocki. 



Phadinacanthns, Traq. : genus maintained for Diplacantlius longispinus, Ag., by 



Traquair, Ann. Mag. Nat. Hist. [6] vol. vi. 1890, p. 483, but essential 



part of original definition admitted erroneous and none substituted. 

 Ehadinichthys carinatus (Ag.) : Traquair, Proc. Roy. Soc. Edinb. vol. xvii. 1890, 



p. 397 (includes typical R. Geikiei). 



—— delicatnlus, Traq. : synonym of R. elegantulus. 



elegantulus, Traquair, Proc. Roy. Soc. Edinb. vol. xvii. 1890, p. 398, and 



Ann. Mag. Nat. Hist. [6] vol. vi. 1890, p. 492 (includes R. delicatulus and 



so-called R. Geikiei from Eskdale). 



Geikiei, Traq. : synonym of R. carinatus and R. elegantulus. 



lepturus, Traq. : synonym of R. ornatissimus. 



macrocephalus, Traq. [n. sp.] : v. Mesopoma macrocephaluni. 



ornatissimus (Ag.) : Traquair, Proc. Roy. Soc. Edinb. vol. xvii. 1890, p. 



397 (includes i2. lepturus). 

 Sagenodus, Owen : This genus must be accepted for the so-called Ctenodus ohliqims 



and allied species. It is first defined under the name of Hemictenodus, R. H. 



Traquair, Geol. Mag. 1890, p. 251, and is in part equivalent to Remictenodus, 



0. Jaekel, Sitzungsb Ges. naturf. Freuude, 1890, p. 7. 



caudatus : correct name of Ctenodus caudatus. 



corrugatus: ,, ,, ,, ,, corrugatus. 



incsqttalis, Owen : the correct name of Ctenodus ohliquus, with synonyms 



as already quoted in the Catalogue. 



obtnsiis : correct name of Ctenodus ohtusus. 



octodorsalis : correct name of Ctenodus octodorsalis. 



quinquecostatus, Traquair, Proc. Roy. Soc. Edinb. vol. xvii. 1890, p. 387. 



Hemictenodus quinquecostatus, Traquair, Geol. Mag. 1890, p. 251 (olim 



Ctenodus obliquus, var. quinquecostatus). 

 Saurichthys acuminatus, Ag. : S. apicalis, Portlock, Rep. Geol. Londonderry, 1843, 



p. 470, pi. xiv. f. 19. Rhfetic: N. Ireland. 

 Saiiropsis mordax, Ag. : maxilla of Aspidorhynclms crassus. 

 Scaphodus, Ag. MS. : E. Wilson, Geol. Mag. 1890, p. 367 ; A. S. Woodward, 



Proc. Geol. Assoc, vol. xi. (1890), p. 300. 



heteromorphus [n. sp.], A. S. Woodward (ea; Ag.), p. 300, pi. iii. f. 33, 34. 



. oblongus, Ag. : v. Mesodon oblongus. 



Strepsodus minor [n. sp.], R. H. Traquair, Proc. Roy. Soc. Edinb. vol. xvii. 1890, 



p. 393. Calcif. Sandst. ; Pitcorthy. [Scales : Edinb. Mus.] 

 Strobilodus purbeckensis [n. sp.], A. S. Woodward, Proc. Zool. Soc. 1890, p. 350, 



pi. xxix. f. 4. 

 Styracopterus, R. H. Traquair, Ann. Mag. Nat. Hist. [6] vol. vi. 1890, p. 492 



(undefined) . 

 fulcratus, R. H. Traquair, ibid. p. 492 (olim Holurus fulcratus, Traq.) 



Calcif erous Sandstones, Tarras Foot (not Glencartholm) . 

 Tarrasius problematicus, Traq. : R. H. Traquair, Ann. Mag. Nat. Hist. [6] vol. vi. 



1890, p. 494. Locality is Glencartholm (not Tarras Foot, as originally 



stated) . 

 Thrissonotus, Ag. : synonym of Oxygnathus. 



Colei, Ag. : v. Oxygnathus ornatus. 



Thynnus scaldisicnsis [n. sp.], R. Storms, Mem. Soc. Beige Geol. etc. vol. iii. (1889) 

 p. 1G3, pi. vii. f. 17-22 ; A. S. Woodward, Ann. Mag. Nat. Hist. [6] 

 vol. V. 1890, p. 294. White Crag : Suffolk. \_Caudal vertebrce ; Brit. Mus.^ 



