ACTINOPTERl'GII. 
260 
Rhinellus furcatus, Agassiz. 
[Plate XIII. figs. 1, 2.] 
1844. Rhinellus furcatus, L. Agassiz, Poiss. Foss. vol. ii. pt. U- P- 2 ’ 
pi. lviii b. tig. 6 (non fig. 6 ). , jj 
1849. Rhinellus furcatus, J. . 1 . Heckel, in Eussegger’s Reisen, vol. 
ph P- 340, pi. xxiii. fig. 1 b. ^ 
1850. Rhinellus furcatus, F. J. Pictet, Poiss. Foss. Mt. Liban, P- ’ 
Pi- viii. figs. 3-4. . „ ^ 
I860, Rhinellus furcatus, Pictet & Humbert, Nouv. Rech. Poiss. 
Mt. Liban, p. 82, pi. xi. figs. 5 - 8 . . j;_ 
1873. Rhinellus furcatus, W. von der Marck, Palseontogr. v0 • X/ 
P- 00, pi. ii. (ig. 4 . r , 
1887. Rhinellus furcatus, J. W. Davis, Trans. Roy. Dublin »°c. L-- 
vol. iii. p. 008. 
type- Head and abdominal region ; olim Aniic Collection, I® 
Ihe type species, attaining a length of about 0‘2. Length o 
head with opercular apparatus equalling or slightly exceedin P 
length of tho trunk from the pectoral arch to the base of the cai 
the 
fin ; maximum depth of trunk contained from four to five time 
the same measurement. Dorsal fin arising at the middle p 
about 
of the 
measurement. Dorsal fin arising 
between the occiput and tho baso of the caudal fin ; pelvic fim 
half as large as the pectorals and arising just in advance 
origin of the dorsal ; anal fin completely behind the dorsal, ® r ' ^ 
behind the middle point between the pelvic pair and the cau a 
Scales of the lateral line conspicuously thicker than the others. ^ . 
Form, Loc. Upper Cretaceous : Sahel Alma, Mt. Le 
Sendenhorst, Westphalia. 
48096-97. Two imperfect largo specimens, with the trunk s ^° r ^ rve( j 
by distortion. Tho second displays the small reel ■ ^ 
teeth apparently in the mandible. 
V nearly complete fish slightly distorted, shown ^ 
natural size in PI. XIII. fig. 2. The parts of ^ 
and opercular apparatus are obscure ; but there art ^ 
of the close series of minute recurved teeth near ^ q 0 II. 
49525. 
of the jaws. 
few is 1 
■ 4762. Another nearly complete fish, with depressed fi n ®> j 
Of the natural size in PL XITI. fig. 1. The tto<*** 
of the natural size in PI. XIII. fig 
irtebrai 
scales of the lateral line are displayed above the v® 
column in part of the abdominal region. 
fVifl ggoOfld 
48090-91, 48092, 49544. Four imperfect specimens, tn 
and third displaying the thickened scales oi t q 0 11. 
line. htl 
