SEVENTEENTH ANNUAL REPORT. 473 



35. Tarsi long, not suddenly narrowed 36 



Tarsi short, suddenly narrowed or tuberose 37 



36. Scutum raised in non-punctate elevations ( Mariana Islands, Philippines ?) .A. cyprium. 

 Scutum level, median field with few punctations (Java) A. quadrimaculatum. 



37. Spines on coxx I well developed 38 



Spines on coxse I very short, in forms of tuberosities (Central and South Amer- 

 ica) A. scutatum. 



38. Second palpal article only one and one-half times as long as broad (Central and 



South America) A. nodosum. 



Second palpal article much longer than broad 39 



39. Punctations on entire surface of scutum (South America) A. Goldii. 



Punctations on scutum lacking in some places; body broad ( Cochin China, Java, 



Borneo) A. testudinarium. 



40. Scutum yellow with brown spots; coxal spines conical (Central and South* Amer- 



ica) -- A. dissimile. 



Scutum brown with whitish scapular spots; coxal spines flat (Brazil) ... A. humerale. 



41. Hypostome with six rows of denticles (South America) A. calcaratum. 



Hypostome with eight rows of denticles (North America) A. multipunctum. 



42. Hypostome with six rows of deriticles (South America) A. varium. 



Hypostome with eight rows of denticles (Nicara^'ua) A. crassipunctatum. 



43. Tarsi narrowed suddenly 44 



Tarsi narrowed, gradually 46 



44. Coxse I with subequal teeth; coxse II and III spinose - 45 



Coxse I with unequal teeth; coxse Hand III unarmed (Africa) A. Tholloni. 



45. Body short oval; scutum variegated A. tuberculatum. 



Body subtriangular, scutum of uniform color (Brazil?) A. fulvum. 



46. Coxse I unicuspid; scutum with white spots (Cuba, Brazil) A. albopictum. 



Coxse I bicuspid; scutum with metallic spots (Philippines) A. decoratum. 



B. — Female. 



47. Eyes flat 48 



Eyes in orbits 1 87 



48. Coxse I bicuspid 49 



Coxse I armed with one very long spine .1. maculatum. 



49. Scutum provided with punctations 50 



Scutum smooth (Port Natal) A. Iseve. 



50. Abdomen of uniform color 51 



Abdomen with two red, symmetrical dorsal spots (Africa) A. hippopotamense. 



51. Scutum brown or marked with lighter spots 52 



Scutum yellow with dark spots 84 



52. Scutum broader than long or as broad as long 53 



Saitum oval or lozenge shape, longer than broad 86 



53. Scutum triangular, postero-lateral borders nearly straight 54 



Scutum cordiform, oval, or pentagonal, postero-lateral borders convex 69 



54. Scutum medium size, 2 to 3.5 mm. long 55 



Scutum very large, 5 mm. long (Cape of Good Hope) A. crenatum. 



55. Scutum as broad or scarcely broader than long 56 



Scutum much broader than lo7ig (Congo) A. breviscutatum. 



56. Eyes in front of anterior third of scutum 57 



Eyes at plane of or behind anterior third of scutum 63 



57. Eyes toward the anterior fourth of scutum 58 



Eyes in front of anterior fourth of scutum 61 



