20 Arachn. 
XL ARACHN IDA. 
[1904] 
Scorpio , Heterometrus , Palamnceus , Hemiscorpion , Opisthacanthus , 
Ischnunis, Bothriurus , nomenclature notes, pp. 195-201 ; H. Krae- 
pelin, Zool. Anz. xxviii, No. 6. 
Prionurus crassicauda oriental is Birula, note on, p. 67, P. mauritanicus 
Pocock, note on, p. 105; Birula, Bull. Ac. St. Petersb. xix, Nos. 2 & 
3 (1903). 
Rhopalurus borelli Pocock, pi. iv, figg. 1-3, R.junceus Herbst, pi. iv, fig. 4, 
figured ; It. I. Pocock, Ann. Nat. Hist. Ser. 7, xiii. 
Scorpio smithi Pocock, from Somaliland, p. 444 ; E. Simon, Bull. Mus. 
Paris 1904, No. 7. 
S. indicus, embryology; Poljansky, Trudui St. Petersb. Obshch. xxxiii, 
pp. 42. etc. 
Tityus floridanus, Florida (Key West), p. 142; Banks, P. Ac. Philad. Jan. 
1904, n. sp. 
Uroplectes occidentalis E. Sim. & U. Jischeri Karsch, from Centr. Abyssinia, 
p. 444; E. Simon, Bull. Mus. Paris 1904, No. 7. 
II. PEDIPALPI. 
Pedipalpi, external morphology of Pedipalpi, pp. 6-22, internal morphology, 
pp. 24-139, systematic and phylogeny, pp. 141-157, bibliographical 
index, p. 158. 
Systematic arrangement of Pedipalpi, p. 148 : 
i. Subordo Palpigradi Thorell (fam. Kcenenidce Grassi). 
II. Subordo Uropygi Thorell. 
I. Tribu Schizopeltidia n.nov. (fam. Schizonotidce ) r 
II. Tribu Holopeltidia O. Br. (fam. Thelyphonidce Lucas). 
III. Subordo Amblypygi Thorell (fam. Taranttdidce ) ; 
C. Borner, Zoologica 1904, pp. 1-174, pis. and text-figg. 
Damon medius Herbst, from Abyssinia (Anton Riv.) p. 443, E. Simon, Bull. 
Mus. 1904, No. 7. 
Thelyphonus caudatus , embryology, Schimkewitsch, pp. 56-77 and 93-110, 
Trudui St. Peterb. Obshch. xxxiii. 
TrithyreuSyPhrynichus, Tarentula and AdmetuSy nomenclature notes, pp. 201 
-204, K. Kraepelin, Zool. Anz. xxviii, No. 6. 
III. PALPIGRADI. 
Palpigradi , rapp. as suborder to Pedipalpi, external and internal mor- 
phology of Kcenenia mirabilis Grassi; C. Borner, Zoologica 1904, pp. 
1-174, pis. & text-figg. 
IV. ARANEiE. 
Classification of spiders, historical and systematical, new arrangement of 
suborders and families, key to suborders, p. 83. 
1. Verticulatae (Liphistiidse). 
2. Tetrapneumones (Aviculariidae, Atypidae, Hypochilidae). 
3. Oligotrichiae (Uloboridae, Dictynidae (pars), CEcobiidae, Eresidae, 
Filistatidae, Sicariidae, Leptonetidae, Oonopidae, Dysderidae, Palpi- 
manidae, LTrocteidae, Pholeidae, Theridiidie, Argiopidae, Mimetidae). 
4. Chalinurae (Hersiliidae). 
5. Polytrichiae (Psechridae, Zoropsidae, Dictynidae (pars), Drassidae, 
Zodariidae (pars), Clubionidae, Agelenidae (pars), Pisauridae, Lycosidae, 
Oxyopidao, Senoculidae). 
