118 ON INSECTS COLLECTED BY CAPT. SPEKE. _[Mar. 8, 
25. SpATHA DUBIA, Gmel., and 
26. SPATHA RUBENS, Lam. Both common Nile shells. 
27. Ernerta cartiaunt, Fér, Confined to the Upper Nile. 
These species form the present collection. Two of them, Limico- 
laria fammea and L. tenebrica, are known from the coast of Guinea; 
seven are South-African types, viz. Nanina mozambicensis, Physopsis 
africana, Lanistes purpureus and L. ovum, Unio mossambicensis, 
Spatha petersi, and S. wahlbergi ; two are distributed over Egypt, 
Syria, and a great part of Asia—Melania tuberculata and Corbicula 
fluminalis ; Navicella porcellana is known from several islands near 
the African coast ; Limicolaria nilotica, Achatina spekei, Cyclostoma 
calcarium, and Ampullaria speciosa seem to belong to the equatorial 
parts of East Africa; and all the rest are known from the Nile and 
from Egypt. 
5. List or INSECTS COLLECTED BY Capt. SPEKE DURING THE 
East African ExpepiTion. By FrepERICK SMITH. 
CoLEOPTERA. FossoreEs. 
GEODEPHAGA. Ammophila 4 
nthia striatopunctata, Guér. DipTeRA. 
Polyhirma polioloma, Chaud. Dexia (new subgenus). 
Scarites procerus, Klug. Asilus ? 
HypDRADEPHAGA. sr ae 
Dineutes africanus, Aub. ee ites toe 
vf ; Tabanus 2 
LAMELLICORNIA. O 
Rhizotrogus 2 Pe pps 
Gymnopleurus profanus, Latr. Manas 2 
Trow Acridium 
Phymateus squarrosus. 
HETEROMERA. Heterodes servillei, Reich. 
Pimelia? 2 Truaalis ? 
Tentyria 2 Acheta (2 species). 
Adesmia ? Pamphagus 2 
New genus (Scotinus) ? Polyzosteria ? 
Lpieauta gigas, Westw. Wesco 
RHYNCHOPHORA, Polymerus 
Cieonus ——. Odontopus sexpunctatus. 
Lusieioousae Dysdereus albicollis. 
Purpuricenus, new sp. Myriapopa. 
HymeEnorrera. Spirobolus pulvillatus. 
Formed aaa MGeiet Lurydesmus oxygonus, Peters. 
; ; Ixodes, 2 species. 
Ponera pestilens, Smith, . ; 
Dorylus helvolus, Linn. Spirostreptus gigas, Peters. 
Mutilla guineensis, Fabr. ARACHNIDA, 
M. bilunata, Gerst. Mygale, sp.? 
