m 
ZOOLOGICAL LITEllATUllE. 
p. 150; fig. 07 cJ; from Columbia ; P. dohrni, p. 11 5, fig. 37 cf $ , P. j^Uformis, 
p. 116; fig. 38 cf; P. putzeysii, p. 117; fig. 39 cf; P. auritus, p. 123; fig. 43 
cf $ ; P. deyroUei, p. 127; fig. 40 cf $ ; P. latrcUloi, p. 143; fig.] 60 cf $ ; ami 
P. quinque-costatuSj p. 149; fig. 65 , from Mexico, P. konincki, p. 128; 
fig. 47 (S $;fr’om New Granada and Baliia j P. elouffatus, p. 141; fig. 59 J; 
from Oaraccas; and P. rohustas, p. 146; fig. 03 S j from Venezuela. 
Section II. Intervals of the elytra alternate only on the posterior third, 
separated either by striio or furrows. Groups 4 & 5, Platijin caudati and tri~ 
spinati. Sp. : P. dirnidiatus, p. 153, fig. 68 <y; from Cayenne , P. midsanti^ 
p. 154; fig. 09 2) apertua, p. 169, fig. 81 d $, and P. IcevicolUs, p. 212, 
fig. 120 c? $;from Guadeloupe j P. alterncms, p. 150, fig. 71 from Vene- 
zuela; P. angustatus, (Dej.), p. 157, fig. 72 $, P. lungidus, p. 158, fig. 73 
P. poriferusy p. 168, fig. 80 $ ; P kaugi, p. 173, fig. 84 cf $ , P. vidims, p. 178, 
fig. 89 cf, P. rmUfrons, p. 179, fig. 90 c?, P. rugidomsj p. 192, fig. 103 S 
P. reticidatuSf p. 194, fig. 104 cf $ , P. rotundedus, p. 195, fig. 105 cf $ , P. 
emarginatus, p. 199, fig. 109 $ , fr om Mexico ; P.pidicans, p. 165, fig. 77 d 2 > 
P. hians, p. 167, fig. 70 (S 2 > P proximtis, p. 188, fig. 98 $ , P. marseuh) 
p. 188, fig. 99 cf 5; P. q)atidus, p. 190, fig. 100 5, and P. regidai'is, p. 192, 
fig. 102 2 ) from Brazil ; P. dejeani, p. 186, fig. 97 (S 2 ) P- diJjUcilis, p. 
204; fig. 114 (S 2) from Brazil and Guiana; P. kraatzi, p. 190, fig. 100 J 2 } 
and P. mcekh’nij p. 207, fig. 116 d $, from Brazil and Columbia; P. p>or- 
pusillus, p. 171; fig. 83 cl $; from Brazil and Caraccas ; P. mclamirus, p. 180, 
fig. 92 $; P. suhccqualis, p. 200, fig. Ill and P. preeviuSj p. 205, fig. 115 
cS 2) from Columbia; P. pertmus, p. 170, fig. 82 5, and P. conpressus, p. 
191, fig. 101 from Caraccas; P sognis, p. lOO, jig. 78 from New Gra- 
nada; P areolatus, p. 179, fig. 91 cf, from Cuba; P. schaumi, p. 181, fig. 
93 c? from Porto Bico; P. Ichasi, p. 197, fig. 107 cf, from Carthagena; 
P. sinuostes, p. 198; fig. 108 from Varinas; P. ohlongus, p. 203, fig. 113 c? 
from Cumana ; P. cnchsoni, p. 211, fig. 119 J 2 > from St. Thomas ; P. sub^ 
cavifrons, p. 177, fig. 88 cf, and P. trispinosus, p. 187, fig. 95 $,■ from Bio 
Janeiro; P. tvesmadi, p. 201, fig. 112 ci' from Buenos Aju’es ; P. tremi- 
fenis, p. 174; fig. 85 (J 5, P. perfossus, p. 176, fig. 86 cf $, P. rugosus, p. 176, 
fig. S7 (S 2 } P* blanchardi, p. 185, fig. 96 $ , and P. pimctidatuSf p. 199, fig. 
110 $, from North America; and P. madagascariensis (Dej,), p. 161, fig. 
74 cf $, and P. roberti, p. 183, fig. 94 5, from Madagascar. 
Section III. Intervals of the elytra alternate only towards the posterior 
extremity, separated by series of points more or less effaced outwardl 3 ^ 
Groups 6-10; gemmedi, Jiliformes, hicormdi, terminati, and costdlali. 
Sp. : (group 6) P. sdgsi, p. 215, fig. 121 J from New Guinea; (group 7) 
P. sallei, p. 218; fig. 122 <J 5, P. macyopiorus, p. 220, fig. 124 J, and P. qua- 
drispinatus, p. 221, fig. 125 $, from Columbia; and P. disciporus, p. 219, fig. 
123 (J; from Tennessee ; (group 8) P. armatus, p. 222, fig. 126 §, fr'om Co- 
lumbia; (group 9) P. udulcdus, p. 224, fig. 127 cf $, and P. excisus, p. 225, 
fig. 128 cf $ ; from Mexico; P. petersi, p. 226, fig. 129 cf $, P. brunneus, p. 
228; fig. 132 $ ; from Brazil ; P. ratzeburgi, p. 227, fig. 130 c? 2 > from Brazil, 
Cayenne, ambColumbia ; P. obsolctus, p. 228, fig. 131 <S 2 ? from Columbia; 
and P. 229, fig. 133 from Caraccas; (group 10) P. pudchellus, 
p. 230; fig. 134 $; from Mexico; P. earimdidnSj p. 231, fig. 135 and P. 
pusUlimus, p. 232, fig. 136 ^ , from Brazil. 
Section IV. Intervals of the elytra subsimilar, se[)aiated by furrows. 
