RICINULI — ACARI. 
Arachn. 39 
Protolophus tuherculatus Banks, pi. 38, fig. 19 ; Banks, P. Calif. Ac. iii, 
No. 13, 1904. 
Sclerosoma romanum L. Koch = 8. quadridentatum Cuv. juv., p. 73 ; 
W. KuLCZYNSKi, Ann. Mus. Hungar. ii, 1904. 
VIII. RICINULI. 
RicinuU (family Cryptostemmatidce), general structure of this order, pp. 115- 
134, systematic position, pp. 136-143, characterization of order and 
family, p. 144, key to genera, p. 145, gen. Cryptostemma Guerin, def. 
and key to spp., p. 146, C. crassipalpe n. sp., Centr. Afr., p. 147, 
pi. 7, fig. 1, C. plebejum n. sp., Centr. Afr., p. 148, pi. 7, fig. 2, C. 
westermanni Guerin, p. 149, pi. 7, fig. 3, pi. 8, fig. 1, C. afzeli 
Thorell, p. 150, pi. 8, fig. 2, C. sjostedti n. sp., Centr. Afr., p. 151, 
pi. 8, fig. 3, C. karschi n. sp., Centr. Afr., p. 153, pi. 8, fig. 4, 
pi. 9, fig. 1, gen. Cryptocellus Westw., p. 154, C. foedus Westw,, p. 155, 
pi. 9, fig. 2. C. dmoni n. sp., Brazil, p. 156, pi. 9, fig. 3 ; H. J. 
Hansen & W. Sorensen, On two orders of Arachnida etc., Cambridge, 
1904. 
IX. ACARI. 
Morphology and classification of Acari ; Banks, A treatise of the Acarina 
or mites, P. U. S. Mus. xxvii, pp. 1-114. 
Acaropediculoides ventricosus, note on, p. 16 ; L. DE la Barreda, Com. 
parasit. Agr. Mexico 1904. 
Acaropsis, Moquin-Tandon (typus Tyroglyphus lahoulheni)^ note on, p. 154; 
Oudemans, Ent. Ber. is^ederland. No. 17. 
A. eruditus Oudm., note on, p. 163 ; Oudemans, t. c. No. 18. 
Acarus denticulatus L., synony. note, p. 505 ; Tragardh, Zool. Anz. 
xxvii. 
A. serotince^ New York, p. 124 ; Beutenmuller, Amer. Mus. J. iv, 
(?) n. sp. 
Acheles n. gen. {Cheletmce)\). 101, A. mirabilis Nederl.,p, 101 ; Oudemans, 
Ent. Ber. Nederland. No. 14, n. sp. 
Actineda agilis Banks, from Bermuda Island, p. 275 ; N. Banks, Tr. 
Connect. Ac. xi. 
Aleurobius farinoe L., note on, p. 102 ; Oudemans, t. c. 
Allothrombium n. gen. (typus Acarus tinctorius L,), p. 251, A. pergrande^ 
Italy, p. 252 ; A. Berlese, Redia i, fasc. ii, n. sp. 
Ameroseius n. gen. (type Seius echinatus Koch), p. 258, A. Icelaptoides^ 
Italy, p. 259, borealis, Norvegia, p. 259 ; A. Berlese, t. c. n. spp. 
Analgesidoe, key to genera, p. 87 ; Banks, A treatise on the Acarina. 
Angelia thori, Norvegia, p. 275, A. mamillaris, Italia, p. 275 ; A. Berlese, 
Redia i, fasc. ii, n. spp. 
Ancetus sumatrensis^ Sumatra, on Sphceridium dimidiatum, p. 103, 4. dis- 
crepans^ Bremen, on Halictus A-notatus, p. 103 ; Oudemans, Ent. Ber. 
Nederland. No. 14, n. spp. 
A. discrepans Oudem., p. 132, pi. 9, figg. 61-64, A. sumatrensis Oudem., 
p. 134, pi. 9, figg. 65 & 66, n. descript. and fig. ; Oudemans, Tijdschr. 
Ent. 1904. 
Antennophoridce^ key to genera, p. 387, Ante7inophorus, charact. and key to 
spp., pp. 387-390, text-figg., A. uhlmanni^ p. 391, A. grandis, Russia, 
p. 392, pi. 12, fig. 95, pi. 13, fig. 95, pi. 14, fig. 99 and text-figg. 
(n. sp.), A. pubescens, p. 393, pi. 13, fig. 98, pi. 14, figg. 101 & 102 and 
text-fig., A. foreli, p. 395, pi. 13, figg. 96 & 97 ; A. Berlese, Redia i , 
fasc. ii, n. sp. 
