389 
—Dolodrook sa Mount Wellington District, 
Gippsland, Victoria (Chapm 
—''Agnostus zone," "Opie Cambrian (Chapman). 
REDLICHIA(?) MINIMA, EE 
ychoparia minima, Chapman: Proc. Roy. Soc. Vict., Moe 
qs). Ta ii., 1911, p. 318, a lviii., fios. l and 6(?), pl. lix., 
i re Proctus(: A sp. nov., Chapman: loc. cit., xxi. (n.s.), 
pt. 
Me s uk this form will be more appropriately placed 
in Redlichia than in Ptychoparia. The distinguishing features 
are the peculiarly dwarfed and semicircular palpebral lobes, 
which lend to this cephalon a somew what remarkable appear- 
ance, and the ''neck-ring showing traces of a slight ridge 
bearing. three small blunt spines directed posteriorly.’’ 
TR pun: River, Mount Wellington District, 
Gippsland, Victori 
Hor Er ene zone," Upper Cambrian (Chapman). 
Genus DIKELOCEPHALUS, D. D. Owen, 1852 
(Rep. Geol. Sur. Wisconsin, Iowa, and Minnesota, 1852, p. 513). 
DIKELOCEPHALUS FLORENTINENSIS, Eth. fil. 
RR HEN Eth. fil.: Rec. Austr. Mus., v., No. 2, 1904, 
P. 25, pl. x., fig. 
Obs ha See 20 as a pygidium, presenting the typical 
raid of that of the genus. The axis consists of seven seg- 
ments and a terminal appendage. The flattened side lobes 
SEO of seven or eight pleurae, and there is a wide striated 
mb. From the ventral margin, opposite to the last but one 
pleura on each side, projects a short pygidial spine. 
oc.— Florentine Valley, Wes Ta sma ania . (T. 
Stephens). 
Hor.—Cambrian (Etheridge). 
Genus CnEPicEPHALUS, D. D. Owen, 1852 (69 
(Rep. Geol. Sur. Wisconsin, Iowa, and Minnesota, 1852, p. 576). 
CREPICEPHALUS ETHERIDGEI, Chapman. 
(?)Cheirurus, Chapman: Proc. Roy. Soc. Vict., xxi. (n.s.), 
pt. i., 1908 269 
Crepicephalus etheridgei Chapman : Ibid, xxiii. (n.s.), pt. ii., 
1911, p. 319, pl. lvi 
Crepicephalus ierit Walcott: Smithsonian  Miscel. 
Collns., 64, No. 3, 1916, . 203. 
i 2 the du ahs isting confusion between the 
genera Dikelocephalus and Ciepite phatis has been dispelled 
ie dudit Cru IUE E E EUN ME 
(45) Redefined, Walcott, 1916. 
