RICERCHE SULLA VARIAZIONE DELL'« HYDROPHILUS », ECC. 1105 
«del metasterno: 87, -89,-89,5; -90, -90,53-915-9 1 ,de(91 ,T5)-92,- 
92,5,-93,-93,51-951-95,51-96,5, — (21) Diametro trasv. post. del 
metasterno : 1053-105,5;-1063-106,5,-107-108,-(108,25)-108,5x- 
109,53-110-110,5,-111,-111,5,. 
Elitre. (22) Larghezza massima dell’elitra : 86,5,-873-87,53- 
88;-893-89,5,-90,-90,5,-91,-92;-92,5) — (23) Diam. obliquo mas- 
simo dell’elitra: 229,5, - 230,-230,5, - 231,53 -232,-232,53-238,- 
233,51-294,53-2353-235,5,-2363-236,5,. 
Addome. (24) Diametro trasv. massimo del 2° segmento ad- 
dominale: 125,-125,53-126,5,-127;-127,53-128,-128,5,-129;-(130)- 
130,5,-131,5,-132,-135: — (25) Id. del 3° segmento: 108,-1093- 
110,-1113-111,5,-112-112,53-1133-(1183,75)-114,-115,-116, 
117,5,-119,5, — (26) Id. del 4° segmento: 84;-85;-85,5,-87,5s- 
88,-88,5,-(88,75)-89,-90,-91,-91,59-92,-93,-93,5, — (27) Id. del 
5° segmento: 57,5,-58,-59;-603-60,5;-613-61,5,-63,50-64,-64,5,. 
Zampe posteriori. (28) Lunghezza dell'anca: 813-82;-82,5s- 
83;-(83,25)-83,5,-843-84,53-85,-85,5» — (29) Larghezza dell'anca: 
20,-20,5,-21,-(21,25)-21,53-22;-22,53 — (30) Lunghezza del fe- . 
more col trocantere: |84,5,]-883-89,5,-90;-90,5;-913-91,53-92,- 
92,53-93,5:-94» — (31) Larghezza del femore: 24,-24,53-25g- 
25,5-26,-26,5:-27, — (32) Lunghezza della tibia: [59,5,]-69,- 
69:53-703-70,5,-713-(71,25)-71,5,-72,-72,5s-73,5: — (33) Id. della 
spina inferiore: [21,5,]-26,5;-27;-27,5;-(27,75)-28;-28,5,-29, 
(34) Id. della spina laterale interna: [25,]-393-39.5,-403-40,5s- 
41,-(41,25)-41,5,-42,-43,-43,5,1 — (85) Id. del 2° articolo del 
tarso: [26,5; ]-34,-36:-36,5;-37,-37,5,-38,-38,53-39, — (36) Id. del 
3° articolo: |11,]-12,53- RO bi = (9'21dodel4 arte 
[4,]-10;-10,510-(10,75)-115-11,53 — (38) Id. del 5° articolo: 15,53- 
16/416.5--(16,75)-17,0-17,55-18,. 
Zampe mediane. (39) Lunghezza dell'anca: 453-45,57-467- 
46,5,-47,-47,5,-48; — (40) Id. del femore col trocantere: 70,5,- 
713-71,5-72,-72,5;-(72,75)-73;-73,52-74,-74,51-75:— (41)Id. della 
tibia: [45,[- -48,53-49:-49,5;-(49,75)-50,-50,5o- sn = (42) Id. della 
spina inferiore : 19-19,53-20,-20,5,-21;-21,53-22, — (43) Id. della 
spina laterale interna: [20,|-23,-23,5,-243-(24,25)-24,5,-25,-25,51 
— (44) Id. del 2° articolo del tarso: [15,5 |-29,51-303-30,51-313- 
81,5g-327-32,5: — (45) Id. del 3° articolo: 12,5,-13;-18,57-143- 
14,5» — (46) Id. del 4° articolo: 10,5,-11g-(11,25)-11,5;-123 — 
(47) Id. del 5° articolo: 17,-17,53-186-18,5,-19;-20,. 
