GIGANTOSTRACA. TITLES. 
Crust. 57 
18. Mailleux, Eugene. Quelques mots sur les Trilobites du Couvinien 
des environs de Couvin. Bull. Soc. Beige Geol. xvii, Pr.-verb. 
pp. 579-582, 1 text-fig. 
19. Munthe, Henr, Stratigrafiska studier ofver Gotlands silurlager. 
Geol. Foren. Stockholm Forh. xxiv, pp. 221-273, text-figg. (1902). 
Reprinted as Sveriges geol. Unders. Afh., Ser. C., No. 192. 
20. Parkinson, J. H. The zoning of the Culm in South Germany. Geol. 
Mag. (5) i, pp. 272-276. 
21. Reed, F. R. Cowper. The Lower Paleeozoic Trilobites of the Girvan 
district, Ayrshire. Part II. Pp. 49-96, pis. vii-xiii. Pal. Soc. Mon. 
lviii, 1904. 
Quoted hereafter as Tril. Girvan ii. 
22. . Sedgwick Museum Notes. New fossils from the Haverfordwest 
district. Geol. Mag. (5) i, pp. 106-109, pi. v. 
23. — . Sedgwick Museum Notes. New fossils from the Haverfordwest 
district, ii. T. c. pp. 383-388, pi. xii. 
24 Smith, Frederic F. Notes on a bicaudate specimen of Limulus 
polyphemus. Tufts Coll. Stud. No. 8, pp. 379-382, 1 text-fig. 
25. Smycka, F. Novejsl li&lezy v celechovsk^m devonu. Vestnik Klub. 
Prostejove vii, pp. 62-72, pi. i. 
26. Walcott, Ch. D. Asaphus emoryi. Palseontologia Universalis. 
Fasc. ii, pi. 28 & text. 
27. Walther, Johannes. Die fauna der Solnhofener Plattenkalke biono- 
misch betrachtet. Denk. Ges. Jena xi (Festschr Ernst Haeckel), 
pp. 133-214, pi. viii, 21 text-figg. 
II. SUBJECT-INDEX. 
Physiology of heart in Limulus ; Carlson (4). 
Bicaudate abnormality in Limulus ; Smith (24). 
Telson of undetermined Gigantostracan found in burial place of Bronze 
Age ; Griffith (12). 
Palceoblattina douvillei , described as an Insect, is part of an Asaphid 
Trilobite ; Agnus (1). 
III. DISTRIBUTION. 
Jurassic, Solnbofen Limestones, Limulus ; Walther (27). 
Palaeozoic, Niagara region, Trilobita and Eurypterida ; Grabau (11). 
Permian, Kansas, Prestwichia, n. sp. ; Beecher (2). 
Carboniferous, Lower Culm, Devonshire, Trilobita ; Hind (15) : Culm, 
Sarajevo, Trilobita, n. sp. ; Kittl (17): Culm, S. Germany, Trilobita ; 
Parkinson (20) : Coal Measures, Lancashire, Xipkosura ; Bolton (3). 
Devonian, Cornwall, Trilobita ; Fox (10) : Couvin, Trilobita , n. sp. ; 
Mailleux. (18) : Moravia, Trilobita ; Smycka (25) : Upper Devonian, 
Condroz, Eurypterida ; Destinez (7) : Middle Devonian, “ Iberger kalk,” 
Trilobita ; Harbort (13). 
Silurian and Cambrian, Kinnekulle, Sweden, Trilobita ; Holm (16). 
Silurian, Trilobita ; Walcott (26) : Haverfordwest, Trilobita , n. sp. ; 
Reed (22) : Haverfordwest, Trilobita ; Reed (23) : Silurian, Girvan, 
Ayrshire, Trilobita, n. spp. ; Reed (21) : Gothland, Trilobita, Eurypterida ; 
