Pemphix, Glyphea, and Arosternus. 139 
In 1822 also Schlotheim described another fossil Crustacean 
‘of his collection under the name of Macrourites pseudoscyllarus 
(Petrefactenkunde, Nachtr. pt. 1. p. 36). The specimen was 
too imperfect for detailed description ; but he regarded it as 
nearly allied to Scyllarus, and remarks that although its claws 
are of a different form, it would appear that it should take its 
place in that family, seeing that its claws are toothed, at least 
on one side. ‘The specimen was from Solenhofen. 
Twelve years afterwards (1834) Voltz noticed a species of 
Palinurus (P. Miinstert) which he saw in the museum of 
Besangon and in the collection of Count Dressier (Neues 
Jahrb. 1835, p. 62); and a few months later Hermann von 
Meyer (Neues Jahrb. 1835, p. 328) stated that he had de- 
scribed and figured the Crustacea from the “ terrain a chailles ” 
of Fertignay and elsewhere, previously identified with Pal- 
nurus Legleyanus. He regarded them as forming three 
species of a distinct genus, Glyphea, viz. G. vulgaris (= Pali- 
nurus Tegleyanus, Desin.), G. speciosa, and G. ventrosa. 
In another twelvemonth von Meyer (Neues Jahrb. 1836, 
p- 56) says that his genus Glyphea included five species, 
namely G. ventrosa, G. Regleyanus, G. Miinsteri (previously 
G. speciosa), G. Dressiert, and G. pustulosa. ‘he first three 
occur in the ‘terrain 4 chailles”’ of the Haute-Sadne, the © 
fourth in the same formation near Besancon, and the fifth in 
the Bradfordian of Bouxweiler, Bas-Rhin. He adds that it 
is very remarkable that the Bradfordian form differs less from 
the most recent of the species of the ‘ terrain 4 chailles” than 
some of the latter do from each other. 
In 1837 von Meyer records (Neues Jahrb. 1837, p. 314) 
that Count Minster possessed Glyphea pustulosa from the 
Corallian of Dernebourg and of Wendhausen, near Hildes- 
heim, and also fragments of what seemed to be G. Dressier¢. 
The collection at Bayreuth contained a cephalothorax exactly 
like that of his G. Mandelslohi from the Oxfordian of Raben- 
stein and Thurnau, and from the same formation a fragment 
belonging to G. ventrosa or an allied species. The largest 
species then known to him was in the possession of M. von 
Alberti, from the Lower Lias of Frittlingen, near Rothweil ; 
he named it G. grandis. ; 
IF, A. Romer in 1839 (Verstein. nordd. Ool. p. 51) de- 
scribed two species, namely G. speciosa and a new species 
which he named G. Bronni, from the Lower Corallian of 
Hersum. In the same year (1839) Count Miinster described 
the fossil Crustacea of his collection (Beitr. zur Petref. ii, 
p- 39), and referred nine species to the genus Glyphea, 
namely :—(. fusiformis, Miinst.; @. crassula, Mimst.; @, 
