TABLE 12.--_Administration by mouth; dogs._ (_Series A._)

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| |Caffein| |

No.| Weight.| per | Results. | Remarks.

| | kilo. | |

----+--------+-------+-----------+------------------------------------

|_Kilos._|_Gram._| |

47 | 13.60 | 0.144 |Survived |Vomiting observed.

55 | 12.75 | .200 | do. |Stiffness of muscles; no other

| | | | symptoms.

56 | 7.95 | .200 |Found dead |

| | | next day |

52 | 13.60 | .147 |Survived |

57 | 6.50 | .230 | do. |Vomited after 1 hour; convulsions

| | | | after 1 hour and 45 minutes.

39 | 23.10 | .120 | do. |Increased frequency of respiration,

| | | | thirst, loss of appetite, vomited

| | | | rest of day when he drank water,

| | | | salivation, restlessness, passed

| | | | feces frequently.

48 | 11.50 | .174 | do. |Vomiting observed.

48 | 12.00 | .200 |Found dead |No vomiting observed. Second dose

| | | next day | was given 8 days after first.

54 | 13.40 | .200 |Survived |Vomiting observed.

49 | 13.15 | .152 |Found dead |

| | | next day |

38 | 14.50 | .120 | do. |Symptoms after 1½ hours: Dog had

| | | | a temperature of 104° F. before

| | | | caffein was given; vomited 3 hours

| | | | after caffein was fed.

18 | 10.80 | .145 | do. |

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